User:Ruud Koot/Dictionary of Scientific Biography

This is an automatically generated list. For a project to add DSB citations to articles, see User:Phoebe/dict.

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 * Pierre Abailard
 * Pietro d'Abano
 * ʿAbbās ibn Firnās
 * Cleveland Abbe
 * Ernst Abbe
 * John Jacob Abel
 * Niels Henrik Abel
 * Othenio Abel
 * Antonio Abetti
 * Otto Hermann Wilhelm Abich
 * William de Wiveleslie Abney
 * Abraham Bar Ḥiyya Ha-Nasi
 * Max Abraham
 * Aleixo de Abreu
 * Abū Ḥāmid al-Gharnāṭī
 * Abū Kāmil Shujāʿ ibn Aslam ibn Muḥammad ibn Shujāʿ
 * Jaʿfar ibn Muḥammad Abū Maʿshar al-Balkhī
 * Hibat Allah Abu'l-Barakāt al-Baghdādī
 * ʿImād al-Dīn Abu'l-Fidāʾ Ismāʿīl ibn ʿAlī ibn Maḥmūd ibn … Ayyūb
 * Muḥammad ibn Muḥammad ibn Yaḥyā ibn Ismāʿīl ibn al-ʿAbbās Abū'l-Wafāʾ al-Būzjānī
 * Friedrich Christian Accum
 * Franz Karl Achard
 * Erik Acharius
 * Alessandro Achillini
 * Cristóbal Acosta
 * José de Acosta
 * Acyuta Piṣāraṭi
 * Adam of Bodenstein
 * Frank Dawson Adams
 * John Couch Adams
 * Leason Heberling Adams
 * Roger Adams
 * Walter Sydney Adams
 * Michel Adanson
 * Thomas Addison
 * Adelard of Bath
 * Pierre-Auguste Adet
 * Robert Adrain
 * Franz Ulrich Theodosius Aepinus
 * Aëtius of Amida
 * Carl Adolph Agardh
 * Jacob Georg Agardh
 * Alexander Agassiz
 * Jean Louis Rodolphe Agassiz
 * Claudius Agathinus
 * Maria Gaetana Agnesi
 * Izrail' Iosifovich Agol
 * Georgius Agricola
 * Heinrich Cornelius von Agrippa
 * François d'Aguilon
 * Aḥmad ibn Yūsuf
 * Aida Yasuaki
 * Pierre d'Ailly
 * George Biddell Airy
 * Robert Grant Aitken
 * William Aiton
 * William Townsend Aiton
 * Ajima Naonobu
 * Naum Il'ich Akhiezer
 * Alanus de Alain de Lille
 * Charles Albert I of Monaco
 * Albert of Saxony
 * Abraham Adrian Albert
 * Friedrich August von Alberti
 * Leone Battista Alberti
 * Salomon Alberti
 * Bernard Albinus
 * Bernard Siegfried Albinus
 * Christiaan Bernard Albinus
 * Frederik Bernard Albinus
 * Carl Theodor Albrecht
 * Fuller Albright
 * Alcmaeon of Crotona
 * Alcuin of York
 * Muḥammad ibn Musa Al-Damīrī
 * Kurt Alder
 * Taddeo Alderotti
 * Giovanni Aldini
 * Ulisse Aldrovandi
 * Pavel Sergeevich Aleksandrov
 * Jean Le Rond d'Alembert
 * Alexander of Aphrodisias
 * Alexander of Myndos
 * Alexander of Tralles
 * Alfonso El Sabio
 * Abram Isaakovich Alikhanov
 * Warder Clyde Allee
 * Edgar Allen
 * Eugene Thomas Allen
 * Joel Asaph Allen
 * Samuel King Allison
 * Prospero Alpini
 * Johann Heinrich Alsted
 * José Antonio Alzate y Ramírez
 * Émile Amagat
 * Florentino Ameghino
 * Joseph Sweetman Ames
 * William Ames
 * Giovan Battista Amici
 * Son of Hermias Ammonius
 * Guillaume Amontons
 * André-Marie Ampère
 * Jakob Amsler
 * Anatolius of Alexandria
 * Anaxagoras
 * Anaximander
 * Anaximenes of Miletus
 * Paul Albert Ancel
 * Edgar Anderson
 * Ernest Masson Anderson
 * Oskar Johann Viktor Anderson
 * Thomas Anderson
 * Henri Andoyer
 * Charles Louis François André
 * Johann Valentin Andreae
 * Nikolai Nikolaevich Andreev
 * Thomas Andrews
 * Aleksandr Aleksandrovich Andronov
 * Nikolai Ivanovich Andrusov
 * Stefano Degli Angeli
 * Johannes Angelus
 * Anders Jonas Ångström
 * Luigi Anguillara
 * Richard Anschütz
 * Voituret Anthelme
 * Anthemius of Tralles
 * Antiphon
 * Eugène M. Antoniadi
 * Dmitrii Nikolaevich Anuchin
 * Jean-Baptiste Bourguignon d'Anville
 * Stephan Apáthy
 * Ernst Friedrich Apelt
 * Peter Apian
 * Apollonius of Perga
 * Paul Appell
 * Edward Victor Appleton
 * Saint Thomas Aquinas
 * Dominique François Jean Arago
 * Camille Louis Joseph Arambourg
 * Giulio Cesare Aranzio
 * Aratus of Soli
 * Agnes Robertson Arber
 * Louis François Antoine Arbogast
 * Philippe Arbos
 * John Arbuthnot
 * Étienne-Jules-Adolphe Desmier Archiac
 * Archigenes
 * Archimedes
 * Archytas of Tarentum
 * Giovanni Arduino
 * Aretaeus of Cappadocia
 * Johann August Arfvedson
 * Émile Argand
 * Jean Robert Argand
 * Friedrich Wilhelm August Argelander
 * Antoine-Joseph Dezallier d'Argenville
 * Andrea Argoli
 * Aristaeus
 * Aristarchus of Samos
 * Aristotle
 * Aristoxenus
 * Aristyllus
 * Vladimir Konstantinovich Arkadiev
 * William Joscelyn Arkell
 * Edward Frankland Armstrong
 * Edwin Howard Armstrong
 * Henry Edward Armstrong
 * Arnald of Villanova
 * Antoine Arnauld
 * Harold De Forest Arnold
 * Giuseppe Degli Aromatari
 * Siegfried Heinrich Aronhold
 * Heinrich Louis d'Arrest
 * Svante August Arrhenius
 * Arsène d'Arsonval
 * Peter Artedi
 * Nicolas Maurice Arthus
 * Emil Artin
 * Lev Andreevich Artsimovich
 * Asada Gōryū
 * Asclepiades
 * Gaspare Aselli
 * Pietro Assalti
 * Boris L'Vovich Astaurov
 * William Thomas Astbury
 * Francis William Aston
 * Jean Astruc
 * Athenaeus of Attalia
 * Wilbur Olin Atwater
 * George Atwood
 * Wallace Walter Atwood
 * Jean-François d'Aubuisson de Voisins
 * Jean Victor Audouin
 * John James Audubon
 * Joseph Leopold Auenbrugger
 * Saint Aurelius Augustine of Hippo
 * Louis Winslow Austin
 * Autolycus of Pitane
 * Arthur Julius Georg Friedrich von Auwers
 * Karl Friedrich von Auwers
 * Adrien Auzout
 * Oswald T. Avery
 * Amedeo Avogadro
 * ʿAwwām Abū Zakariyyā Yaḥyā ibn Muḥammad ibn al-
 * Hertha Ayrton
 * Félix de Azara

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 * Wilhelm Heinrich Walter Baade
 * Charles Babbage
 * Ernest Brown Babcock
 * Stephen Moulton Babcock
 * Jacques Babinet
 * Charles Cardale Babington
 * William Babington
 * Guido Baccelli
 * Aleksei Nikolaevich Bach
 * Alexander Dallas Bache
 * Gaston Bachelard
 * Louis Bachelier
 * Claude-Gaspar Bachet De Méziriac
 * Augustus Quirinus Bachmann
 * Paul Gustav Heinrich Bachmann
 * Ernst E. A. Back
 * Jöns Oskar Backlund
 * Francis Bacon
 * Roger Bacon
 * Richard McLean Badger
 * Leo Hendrik Baekeland
 * Karl Ernst von Baer
 * Adolf Johann Friedrich Wilhelm von Baeyer
 * Abū Manṣūr ʿAbd al-Qāhir ibn Ṭāhir ibn Muḥammad ibn ʿAbdallah al-Tamīmī al-Shafiʿī al-Baghdādī
 * Georgius Baglivi
 * Johann Jacob Baier
 * Edward Battersby Bailey
 * Liberty Hyde Bailey
 * Loring Woart Bailey
 * Solon Irving Bailey
 * Matthew Baillie
 * Guillaume de Baillou
 * Jean-Sylvain Bailly
 * Francis Baily
 * Alexander Bain
 * Spencer Fullerton Baird
 * René Louis Baire
 * Abū Bakr Muḥammad ibn Yaḥyā ibn al-ṢāʾIgh ibn Bājja
 * Henry Baker
 * John Gilbert Baker
 * Robert Bakewell
 * Abū ʿUbayd ʿAbdallāh ibn ʿAbd al-ʿAzīz ibn Muḥammad al-Bakrī
 * Aleksey Aleksandrovich Balandin
 * Antoine Jérome Balard
 * Edouard-Gérard Balbiani
 * Balbus
 * Bernardino Baldi
 * Francis Maitland Balfour
 * Isaac Bayley Balfour
 * John Hutton Balfour
 * Giovanni Battista Baliani
 * Johann Jakob Balmer
 * Eugen Bamberger
 * Stefan Banach
 * Thaddeus Banachiewicz
 * Wilder Dwight Bancroft
 * Orville Lee Bandy
 * John Banister
 * Joseph Banks
 * Bannāʾ al-Marrākushī ibn al-
 * Guido Banti
 * Frederick Grant Banting
 * Banū Mūsā
 * Robert Bárány
 * Giovanni Antonio Baranzano
 * Alvaro Alonso Barba
 * Joseph-Émile Barbier
 * Henry Gray Barbour
 * Johann Conrad Barchusen
 * John Barclay
 * Joseph Barcroft
 * George Barger
 * Heinrich Georg Barkhausen
 * Charles Glover Barkla
 * Peter Barlow
 * William Barlow
 * Edward Emerson Barnard
 * Howard Turner Barnes
 * Franciscus Barocius
 * Louis Barrabé
 * Joachim Barrande
 * Joseph Barrell
 * Charles-Louis Barreswil
 * Charles Barrois
 * Isaac Barrow
 * Martin Barry
 * Julius Bartels
 * Paul-Joseph Barthez
 * Caspar Bartholin
 * Erasmus Bartholin
 * Thomas Bartholin
 * Daniello Bartoli
 * Gian Giacomo Bartolotti
 * Benjamin Smith Barton
 * John Bartram
 * William Bartram
 * Carl Barus
 * Francesco Bassani
 * Agostino Maria Bassi
 * Raymond Smith Bassler
 * Sebastian Basso
 * Henry Charlton Bastian
 * Jean Eugène Bataillon
 * Alan Mara Bateman
 * Harry Bateman
 * Henry Walter Bates
 * Leslie Fleetwood Bates
 * Marston Bates
 * William Bateson
 * Francis Arthur Bather
 * Abū ʿAbd Allāh Muḥammad ibn Jābir ibn Sinān al-Raqqī al-Ḥarrānī al-Ṣābiʾ al-Battānī
 * Baṭṭūṭa Ibn
 * Alexandre Édouard Baudrimont
 * Edmond Bauer
 * Ferdinand Lucas Bauer
 * Franz Andreas Bauer
 * Louis Agricola Bauer
 * Gaspard Bauhin
 * Jean Bauhin
 * Antoine Baumé
 * Edouard Henri von Baumhauer
 * Heinrich Adolf Baumhauer
 * Erwin Baur
 * Frederick Charles Bawden
 * Pierre Bayen
 * Johann Bayer
 * Thomas Bayes
 * al-Qibjāqī Baylak
 * Leonard Ernest Bayliss
 * William Maddock Bayliss
 * Ḍiyāʾ al-dīn Abū Muḥhammad ʿAbdallāh ibn Aḥmad ibn al-Bayṭār al-Mālaqī
 * Lionel Smith Beale
 * Jean Beaugrand
 * William Beaumont
 * Nello Beccari
 * Giambatista Beccaria
 * Pierre Jacques Antoine Béchamp
 * Johann Joachim Becher
 * Friedrich Johann Karl Becke
 * George Ferdinand Becker
 * Ernest Otto Beckmann
 * Johann Beckmann
 * Alexandre-Edmond Becquerel
 * Antoine-César Becquerel
 * Henri Becquerel
 * Jean Antoine Edmond Marie Becquerel
 * Paul Becquerel
 * John Beddoe
 * Thomas Beddoes
 * the Venerable Bede
 * Isaac Beeckman
 * Wilhelm Beer
 * Charles Edward Beevor
 * Henri Béghin
 * Jean Beguin
 * Alexandre-Émile Béguyer de Chancourtois
 * Martin Behaim
 * Anton Friedrich Robert Behrend
 * Emil von Behring
 * Martinus Willem Beijerinck
 * Konrad Friedrich Beilstein
 * Georg von Békésy
 * Nikolai Nikolaevich Beketov
 * Vladimir Mikhailovich Bekhterev
 * Nicholas Timothy Belaiew
 * Karl Bělǎr
 * Bernard Forest de Bélidor
 * Alexander Graham Bell
 * Charles Bell
 * Eric Temple Bell
 * Robert Bell
 * Angelo Bellani
 * Luigi Bellardi
 * Robert Bellarmine
 * Giusto Bellavitis
 * Pierre Richer de Belleval
 * Lorenzo Bellini
 * Faddei F. Bellinsgauzen
 * Pierre Belon
 * Aristarkh Apollonovich Belopolsky
 * Nikolai Vasil'Evich Belov
 * Nikolai Vasil'evich Belov
 * Andrei Nikolaevich Belozerskii
 * Eugenio Beltrami
 * Edouard van Beneden
 * Pierre-Joseph van Beneden
 * Alessandro Benedetti
 * Giovanni Battista Benedetti
 * Carl Axel Fredrik Benedicks
 * Francis Gano Benedict
 * Antonio Benivieni
 * Justin-Mirande René Benoit
 * Robert Russell Bensley
 * George Bentham
 * Alfred Theodor Bentz
 * Johann Friedrich Benzenberg
 * Jacques Étienne Bérard
 * Joseph Frédéric Bérard
 * Giacomo Berengario da Carpi
 * Lev Simonovich Berg
 * Hans Berger
 * Johann Gottfried Berger
 * Friedrich Bergius
 * Stefan Bergman
 * Torbern Olof Bergman
 * Max Bergmann
 * Henri-Louis Bergson
 * Claude Guillermet de Bérigard
 * Vitus Bering
 * Johann Bartholomaeus Adam Beringer
 * George Berkeley
 * Miles Joseph Berkeley
 * Lloyd Viel Berkner
 * John Desmond Bernal
 * Bernardus Bernard of Chartres
 * Bernard of Le Treille
 * Bernard of Trevisan
 * Bernardus de Bernard of Verdun
 * Bernard de Bernard Silvestre
 * Claude Bernard
 * Noël Bernard
 * Paul Isaac Bernays
 * Hippolyte Bernheim
 * Daniel Bernoulli
 * Jakob Bernoulli
 * Jakob I Bernoulli
 * Jakob II Bernoulli
 * Johann Bernoulli
 * Johann I Bernoulli
 * Johann II Bernoulli
 * Johann III Bernoulli
 * Nikolaus I Bernoulli
 * Nikolaus II Bernoulli
 * Felix Bernstein
 * Julius Bernstein
 * Sergey Natanovich Bernstein
 * Heinrich August Bernthsen
 * Paul Bert
 * Pierre Eugène Marcellin Berthelot
 * Pierre Berthier
 * Arnold Adolphe Berthold
 * Claude-Louis Berthollet
 * Pierre Bertholon
 * Gasparo Berti
 * Louis-Émile Bertin
 * Eugenio Bertini
 * Charles-Eugène Bertrand
 * Gabriel Bertrand
 * Joseph Louis François Bertrand
 * Marcel-Alexandre Bertrand
 * William Edward Hodgson Berwick
 * Jöns Jacob Berzelius
 * Abram Samoilovitch Besicovitch
 * Friedrich Wilhelm Bessel
 * Henry Bessemer
 * Charles Edwin Bessey
 * Charles Herbert Best
 * Augustin de Betancourt y Molina
 * Enrico Betti
 * François-Sulpice Beudant
 * Gabriel-Léopold-Charles-Amé Bexon
 * Heinrich Ernst Beyrich
 * Albert von Bezold
 * Étienne Bezout
 * Homi Jehangir Bhabha
 * Bhāskara I
 * Bhāskara II
 * Czesław Białobrzeski
 * Angelo Bianchi
 * Luigi Bianchi
 * Marie-François-Xavier Bichat
 * Alexander William Bickerton
 * Friedrich Heinrich Bidder
 * Govard Bidloo
 * Wilhelm von Biela
 * Irénée-Jules Bienaymé
 * Camille Guillaume Bigourdan
 * Theodor Bilharz
 * Elkanah Billings
 * Christian Albert Theodor Billroth
 * Jacques de Billy
 * Alfred Binet
 * Nicolas Bion
 * Jean-Baptiste Biot
 * John Bird
 * Edward Asahel Birge
 * Raymond Thayer Birge
 * Vannoccio Biringuccio
 * George David Birkhoff
 * John Birmingham
 * William Radcliff Birt
 * Abū Rayḥān al-Bīrūnī
 * Carl Gustav Christoph Bischof
 * Gottlieb Wilhelm Bischoff
 * Theodor Ludwig Wilhelm Bischoff
 * Johann Heinrich Bisterfeld
 * Abū Isḥāq al-Biṭrūjī al-Ishbīlī
 * Giulio Cesare Bizzozero
 * Carl Anton Bjerknes
 * Jacob Aall Bonnevie Bjerknes
 * Vilhelm Frimann Koren Bjerknes
 * Niels Janniksen Bjerrum
 * Davidson Black
 * James Black
 * Joseph Black
 * Frederick Frost Blackman
 * Willem Janszoon Blaeu
 * Charles Blagden
 * Henri Marie Ducrotay de Blainville
 * Patrick Blair (surgeon)
 * Alberto-Carlo Blanc
 * Raoul Blanchard
 * Wilhelm Johann Eugen Blaschke
 * Blasius of Parma
 * Sergei Nikolaevich Blazhko
 * Hans Frederick Blichfeldt
 * Gilbert Ames Bliss
 * Christian Wilhelm Blomstrand
 * André Eugène Blondel
 * Nicolas-François Blondel
 * René-Prosper Blondlot
 * Johann Friedrich Blumenbach
 * Edward Blyth
 * Franz Boas
 * Étienne Bobillier
 * Jean-Baptiste-Gaspard Bochart de Saron
 * Maxime Bôcher
 * Salomon Bochner
 * Jerome Bock
 * Johann Elert Bode
 * Fritz Simon Bodenheimer
 * Max Bodenstein
 * Jacob Boehme
 * Hermann Boerhaave
 * Anicius Manlius Severinus Boethius
 * Aleksandr Aleksandrovich Bogdanov
 * Aleksei Alekseevich Bogdanov
 * Palm Heinrich Ludwig von Boguslavsky
 * Piers Bohl
 * Johannes Bohn
 * Christian Harald Lauritz Peter Emil Bohr
 * Harald Bohr
 * Niels Henrik David Bohr
 * Paul Émile Lecoq de Boisbaudran
 * Lodewijk Bolk
 * Bolos of Mendes
 * Andrei Timofeevich Bolotov
 * Bertram Borden Boltwood
 * Ludwig Boltzmann
 * Farkas Bolyai
 * János Bolyai
 * Oskar Bolza
 * Bernard Bolzano
 * Rafael Bombelli
 * Lucien Jules Laurent Bonaparte
 * Federigo Bonaventura
 * Baldassarre Boncompagni
 * George Phillips Bond
 * William Cranch Bond
 * Charles Bonnet
 * Pierre-Ossian Bonnet
 * Thomas George Bonney
 * Gaston Bonnier
 * Giovan Cosimo Bonomo
 * Costanzo Benedetto Bonvicino
 * Anselmus Boetius de Boodt
 * George Boole
 * Carl Wilhelm Borchardt
 * Jean-Charles Borda
 * Jules Bordet
 * Théophile de Bordeu
 * Émile Borel
 * Pierre Borel
 * Giovanni Alfonso Borelli
 * Theodoric Borgognoni of Lucca
 * Ignaz Edler von Born
 * Max Born
 * Aleksandr Porfirevich Borodin
 * Olaus Borrichius
 * Bodo von Borries
 * Girolamo Borro
 * Karol Borsuk
 * Ladislaus Bortkiewicz
 * Ettore Bortolotti
 * Jean Baptiste Georges Marie Bory de Saint-Vincent
 * Louis Augustin Guillaume Bosc
 * Carl Bosch
 * Georg Matthias Bose
 * Jagadischandra Bose
 * Satyendranath Bose
 * Rudjer J. Bošković
 * Lewis Boss
 * Abraham Bosse
 * Charles Bossut
 * John Bostock
 * Leonardo Botallo
 * Walther Wilhelm Georg Bothe
 * Filippo Bottazzi
 * Jacques Boucher de Crèvecoeur de Perthes
 * Ami Boué
 * Louis Antoine de Bougainville
 * Pierre Bouguer
 * Pol André Bouin
 * Marcellin Boule
 * Nicolas-Antoine Boullanger
 * Ismael Boulliau
 * Jean-Claude Bouquet
 * Edmond Bour
 * Claude Bourdelin
 * Pierre Michon Bourdelot
 * Eugène Bourdon
 * Louis Bourguet
 * Jacques-Louis Bournon
 * Joseph Valentin Boussinesq
 * Jean Baptiste Joseph Dieudonné Boussingault
 * Pierre Léon Boutroux
 * Alexis Bouvard
 * Charles Bouvelles
 * Theodor Boveri
 * Henry Pickering Bowditch
 * Nathaniel Bowditch
 * Ira Sprague Bowen
 * Norman Levi Bowen
 * Rufus Bowen
 * Frederick Orpen Bower
 * William Bowie
 * Isaiah Bowman
 * William Bowman
 * Robert Boyle
 * Charles Vernon Boys
 * de Witt Bristol Brace
 * Albert Brachet
 * Henri Braconnot
 * Joshua Taylor Bradford
 * James Bradley
 * Richard Bradley
 * Thomas Bradwardine
 * Sir William Lawrence Bragg
 * William Henry Bragg
 * Tycho Brahe
 * Brahmadeva
 * Brahmagupta
 * William Braikenridge
 * Benjamin Bramer
 * William Thomas Brande
 * Heinrich Wilhelm Brandes
 * Georg Brandt
 * Johann Friedrich Brandt
 * John Alfred Brashear
 * Nikolai Dmitrievich Brashman
 * Richard Dagobert Brauer
 * Alexander Carl Heinrich Braun
 * Ferdinand Braun
 * Bohuslav Brauner
 * Anton von Braunmühl
 * Auguste Bravais
 * Fedor Aleksandrovich Bredikhin
 * Simon Bredon
 * Julius Oscar Brefeld
 * Louis François Clément Breguet
 * Scipione Breislak
 * Johann Friedrich August Breithaupt
 * Carl Bremiker
 * Otto Rudolf Martin Brendel
 * Gilbert Breschet
 * Jean Jacques Bret
 * Pierre Bretonneau
 * Josef Breuer
 * Henri Édouard Prosper Breuil
 * David Brewster
 * Charles-Julien Brianchon
 * Calvin Blackman Bridges
 * Percy Williams Bridgman
 * Henry Briggs
 * Lyman James Briggs
 * Richard Bright
 * Alexander Wilhelm von Brill
 * Léon Nicolas Brillouin
 * Marcel Louis Brillouin
 * Johan August Brinell
 * Erland Samuel Bring
 * John Brinkley
 * Francesco Brioschi
 * Charles Auguste Briot
 * Thomas Brisbane
 * Barnabé Brisson
 * Mathurin-Jacques Brisson
 * James Britten
 * Nathaniel Lord Britton
 * Pierre Paul Broca
 * Pierre René Jean-Baptiste Henri Brocard
 * Giovanni Battista Brocchi
 * André-Jean-François-Marie Brochant de Villiers
 * Wallace Reed Brode
 * Benjamin Collins Brodie
 * Waldemar Christopher Brøgger
 * Louis-César-Victor-Maurice de Broglie
 * Ferdinand Broili
 * Magnus von Bromell
 * Thomas John I'Anson Bromwich
 * Adolphe-Théodore Brongniart
 * Alexandre Brongniart
 * Detlev Wulf Bronk
 * Heinrich Georg Bronn
 * Johannes Nicolaus Brønsted
 * Alfred Hulse Brooks
 * William Keith Brooks
 * William Robert Brooks
 * Robert Broom
 * William Brouncker
 * François Joseph Victor Broussais
 * Pierre-Auguste-Marie Broussonet
 * Dirk Brouwer
 * Hendrik Albertus Brouwer
 * Luitzen Egbertus Jan Brouwer
 * Alexander Crum Brown
 * Ernest William Brown
 * Robert Brown
 * Thomas Browne
 * William Rowan Browne
 * William Brownrigg
 * Charles-Édouard Brown-Séquard
 * Jan Brożek
 * David Bruce
 * James Bruce
 * Ernst Wilhelm von Brücke
 * Max Brödel
 * Karl Christian Bruhns
 * Émile Brumpt
 * Filippo Brunelleschi
 * Otto Brunfels
 * Jean Brunhes
 * Giordano Bruno
 * Léon Brunschvicg
 * Hieronymus Brunschwig
 * Thomas Lauder Brunton
 * Kirk Bryan
 * Bryson of Heraclea
 * Walter Brytte
 * Philippe Buache
 * Serge Nikolaevich von Bubnoff
 * Leopold von Buch
 * John Young Buchanan
 * Walter Herman Bucher
 * Alfred Heinrich Bucherer
 * Eduard Buchner
 * Friedrich Karl Christian Ludwig Büchner
 * Christian Friedrich Bucholz
 * Edgar Buckingham
 * William Buckland
 * Jean-Baptiste Michel Bucquet
 * Ferdinand François Désiré Budan de Boislaurent
 * William Budd
 * Arthur Francis Buddington
 * Georges-Louis Leclerc Buffon
 * Nicolay Vasilievich Bugaev
 * Edward Crisp Bullard
 * Keith Edward Bullen
 * Arthur Henry Reginald Buller
 * William Bulloch
 * Hermon Carey Bumpus
 * Gustav von Bunge
 * Robert Wilhelm Eberhard Bunsen
 * Viktor Yakovlevich Bunyakovsky
 * Francesco Buonamici
 * Filippo Buonanni
 * Paolo del Buono
 * Jacques Buot
 * Cesare Burali-Forti
 * Karl Friedrich Burdach
 * Nicolai Nilovich Burdenko
 * John Scott Burdon-Sanderson
 * Johann Tobias Bürg
 * Herman Carel Burger
 * Frank Burgersdijk
 * Joost Bürgi
 * Jean Buridan
 * Walter Burley
 * Thomas Burnet
 * Sherburne Wesley Burnham
 * William Burnside
 * Carl Jensen Burrau
 * Charles Rugeley Bury
 * August Ludwig Busch
 * Vannevar Bush
 * George Busk
 * Johannes Buteo
 * Abuʾl-Ḥasan al-Mukhtār ibn ʿAbdūn ibn Saʿdūn ibn Buṭlān
 * Aleksandr Mikhailovich Butlerov
 * Otto Bütschli
 * Rudolph Christian Böttger
 * Christoph Hendrik Diederik Buys Ballot

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 * Pierre-Jean-Georges Cabanis
 * Niccolo Cabeo
 * Blas Cabrera
 * Charles-Louis Cadet de Gassicourt
 * Antoine-Alexis-François Cadet de Vaux
 * Louis-Claude Cadet
 * Charles Cagniard de la Tour
 * Auguste André Thomas Cahours
 * Louis Paul Cailletet
 * John Caius
 * Giuseppe Calandrelli
 * Ignazio Calandrelli
 * Calcidius
 * Leopoldo Marcantonio Caldani
 * Francisco José de Caldas
 * Gary Nathan Calkins
 * Nicholas Callan
 * Pierre Jean Octave Callandreau
 * Hugh Longbourne Callendar
 * Callinicos of Heliopolis
 * Callippus
 * Albert Calmette
 * Rudolph Jakob Camerarius
 * Angus Ewan Cameron
 * Tommaso Campanella
 * Giuseppe Campani
 * Campanus of Novara
 * Douglas Houghton Campbell
 * Ian Campbell
 * Norman Robert Campbell
 * William Wallace Campbell
 * Peter Camper
 * Charles-Étienne-Louis Camus
 * Giovan Battista Canano
 * Franz Ludwig von Cancrin
 * Alphonse de Candolle
 * Augustin-Pyramus de Candolle
 * Stanislao Cannizzaro
 * Annie Jump Cannon
 * Walter Bradford Cannon
 * John Canton
 * Georg Cantor
 * Moritz Benedikt Cantor
 * Baldassar Capra
 * Juan Caramuel y Lobkowitz
 * Arnould Carangeot
 * Constantin Carathéodory
 * Pierre de Carcavi
 * Girolamo Cardano
 * Anthony Carlisle
 * Anton Julius Carlson
 * Rudolf von Carnall
 * Lazare-Nicolas-Marguerite Carnot
 * Nicolas Léonard Sadi Carnot
 * Heinrich Caro
 * Wallace Hume Carothers
 * Henry Cort Harold Carpenter
 * William Benjamin Carpenter
 * Herbert Wildon Carr
 * Alexis Carrel
 * Richard Christopher Carrington
 * James Carroll
 * Rachel Louise Carson
 * Élie Cartan
 * Julius Victor Carus
 * Paul Carus
 * Gaspar Roque Francisco Narciso Casal Julian
 * Cassegrain
 * Giulio Casseri
 * César-François Cassini de Thury
 * Gian Domenico Cassini
 * Jacques Cassini
 * Jean-Dominique Cassini
 * Flavius Magnus Aurelius Cassiodorus Senator
 * Ernst Alfred Cassirer
 * Luigi Castaldi
 * Louis-Bertrand Castel
 * Benedetto Castelli
 * Guido Castelnuovo
 * Alberto Castigliano
 * Johann Castillon
 * William Ernest Castle
 * Miguel Antonio Catalán
 * Pietro Antonio Cataldi
 * Mark Catesby
 * James McKeen Cattell
 * Augustin-Louis Cauchy
 * Maurice Caullery
 * Bonaventura Cavalieri
 * Tiberius Cavallo
 * Antonio José Cavanilles
 * Henry Cavendish
 * Joseph-Bienaimé Caventou
 * Lucien Cayeux
 * Arthur Cayley
 * Eduard Čech
 * Juan de Celaya
 * Jacques-Philippe-Martin Cels
 * Anders Celsius
 * Aulus Cornelius Celsus
 * Censorinus
 * Mieczysław Centnerszwer
 * Vicente Cervantes
 * Andrea Cesalpino
 * Ernesto Cesàro
 * Federico Cesi
 * Giacinto Cestoni
 * Ludolph van Ceulen
 * Giovanni Ceva
 * Tomasso Ceva
 * Laurent Chabry
 * James Chadwick
 * Carlos Ribeiro Justiniano Chagas
 * Ernst Boris Chain
 * James Challis
 * Charles Joseph Chamberlain
 * Charles Edouard Chamberland
 * Thomas Chrowder Chamberlin
 * Robert Chambers
 * Adelbert von Chamisso
 * Gustav Charles Bonaventure Chancel
 * Seth Carlo Chandler
 * Ralph Works Chaney
 * Sergei Alekseevich Chaplygin
 * Alvan Wentworth Chapman
 * David Leonard Chapman
 * Frank Michler Chapman
 * Sydney Chapman
 * Jean-Baptiste Chappe D'Auteroche
 * Jean Antoine Chaptal
 * Jean-Baptiste Charcot
 * Jean-Martin Charcot
 * Jean Pierre Chardenon
 * Louis-Marie-Hilaire Bernigaud Chardonnet
 * Jacques-Alexandre-César Charles
 * Walter Charleton
 * Johann de Charpentier
 * Augustin Georges Albert Charpy
 * Michel Chasles
 * Gabrielle-Émilie Le Tonnelier de Breteuil Châtelet
 * Geoffrey Chaucer
 * Guy de Chauliac
 * Jean-Baptiste Auguste Chauveau
 * Jean François Chazy
 * Nikolai Grigorievich Chebotaryov
 * Pafnuty Lvovich Chebyshev
 * Richard Chenevix
 * Dmitri Konstantinovich Chernov
 * Ilya Ilyich Chernyaev
 * Feodosii Nikolaevich Chernyshev
 * Sergei Sergeevich Chetverikov
 * Jean-Baptiste-Alphonse Chevallier
 * Temple Chevallier
 * Pierre Antoine Jean Sylvestre Chevenard
 * Michel Eugène Chevreul
 * George Cheyne
 * Giulio Chiarugi
 * Alexei Yevgenievich Chichibabin
 * Harriette Chick
 * Charles Manning Child
 * Joshua Childrey
 * Ch'in Chiu-Shao
 * Russell Henry Chittenden
 * Ernst Florenz Friedrich Chladni
 * Robert Chodat
 * Christian Christiansen
 * Samuel Hunter Christie
 * William Henry Mahoney Christie
 * Jacob Christmann
 * Elwin Bruno Christoffel
 * Nicholas Constantine Christofilos
 * Jules de Christol
 * George Chrystal
 * Chu Shih-Chieh
 * Lev Aleksandrovich Chugaev
 * Nicolas Chuquet
 * Leon Chwistek
 * Giacomo Luigi Ciamician
 * Pedro Ciruelo
 * Alexis-Claude Clairaut
 * Ludwig Claisen
 * Benoit-Pierre-Émile Clapeyron
 * Alvan Clark
 * Josiah Latimer Clark
 * Thomas Clark
 * William Mansfield Clark
 * Edward Daniel Clarke
 * Frank Wigglesworth Clarke
 * Samuel Clarke
 * William Branwhite Clarke
 * Alexander Classen
 * François Auguste Claude
 * Georges Claude
 * Adolf Carl Ludwig Claus
 * Carl Ernst Claus
 * Jens Christen Clausen
 * Thomas Clausen
 * Rudolf Clausius
 * Christoph Clavius
 * Jacob Clay
 * Parker Cleaveland
 * Rudolf Friedrich Alfred Clebsch
 * Ralph Erskine Cleland
 * Nicholas Clément
 * Frederic Edward Clements
 * Cleomedes
 * Carl Alexander Clerck
 * Claude Clerselier
 * Per Teodor Cleve
 * William Kingdon Clifford
 * William Clift
 * Hans Cloos
 * Jean-François Clouet
 * William Weber Coblentz
 * Igino Cocchi
 * William Gemmell Cochran
 * John Douglas Cockcroft
 * Delfino Codazzi
 * George Ellett Coghill
 * Carlo Francesco Cogrossi
 * Ernst Julius Cohen
 * Morris Raphael Cohen
 * Edwin Joseph Cohn
 * Ferdinand Julius Cohn
 * Lassar Cohn
 * Volcher Coiter
 * Cadwallader Colden
 * Ludvig August Colding
 * Frank Nelson Cole
 * Leon Jacob Cole
 * Hippolyte-Victor Collet-Descotils
 * John Norman Collie
 * John Collins
 * Peter Collinson
 * James Bertram Collip
 * Realdo Colombo
 * Christopher Columbus
 * José Comas Solá
 * Charles-Pierre-Mathieu Combes
 * Raoul Combes
 * John Amos Comenius
 * Federico Commandino
 * Philibert Commerson
 * Andrew Ainslie Common
 * Arthur Holly Compton
 * Karl Taylor Compton
 * Leslie John Comrie
 * George Cary Comstock
 * Isidore Auguste Marie François Xavier Comte
 * James Bryant Conant
 * Étienne Bonnot Abbé de Condillac
 * Marie-Jean-Antoine-Nicolas Caritat Condorcet
 * William Congreve
 * Edwin Grant Conklin
 * Conon of Samos
 * Timothy Abbott Conrad
 * Constantine the African
 * William Daniel Conybeare
 * James Cook
 * Josiah Parsons Cooke
 * Julian Lowell Coolidge
 * William David Coolidge
 * Thomas Cooper
 * Hippolyte Eugène Copaux
 * Edward Drinker Cope
 * Nicholas Copernicus
 * Orso Mario Corbino
 * Pierre-Louis-Antoine Cordier
 * Euricius Cordus
 * Valerius Cordus
 * Gerty Theresa Radnitz Cori
 * Gaspard Gustave de Coriolis
 * Claude-Melchior Cornette
 * Marie Alfred Cornu
 * Luis Nuñez Coronel
 * Vincenzo Maria Coronelli
 * Carl Franz Joseph Erich Correns
 * Carl Wilhelm Correns
 * Martín Cortes de Albacar
 * Alfonso Giacomo Gaspare Corti
 * Bonaventura Corti
 * Jean-Nicolas Corvisart
 * Alfonso Cossa
 * Eugène Maurice Pierre Cosserat
 * Julien Noël Costantin
 * Dirk Coster
 * Roger Cotes
 * Carl Bernhard von Cotta
 * Louis Cotte
 * Aimé-Auguste Cotton
 * Frederick Gardner Cottrell
 * Domenico Felice Antonio Cotugno
 * Elliott Coues
 * Charles Augustin Coulomb
 * William Thomas Councilman
 * Archibald Scott Couper
 * Antoine-Augustin Cournot
 * Gaspard le Compasseur de Créquy-Montfort Courtivron
 * Bernard Courtois
 * Louis Couturat
 * Philip Herbert Cowell
 * William Crabtree
 * John Craig
 * Gabriel Cramer
 * Johann Andreas Cramer
 * Henry Edward Crampton
 * Adair Crawford
 * Hermann Georg Credner
 * Charles Creighton
 * Lorenz Florenz Friedrich von Crell
 * August Leopold Crelle
 * Antonio Luigi Gaudenzio Giuseppe Cremona
 * Hasdai Crescas
 * Henry Crew
 * James Croll
 * Oswald Crollius
 * Andrew Claude de la Cherois Crommelin
 * Axel Fredrik Cronstedt
 * William Crookes
 * William Croone
 * Charles Whitman Cross
 * Jean-Pierre de Crousaz
 * William Cumberland Cruikshank
 * Walter Crum
 * Jean Cruveilhier
 * Oswaldo Gonçalves Cruz
 * Ctesibius
 * Ralph Cudworth
 * Lucien Cuénot
 * William Cullen
 * Karl Culmann
 * James Cumming
 * José Anastácio da Cunha
 * Joseph Thomas Cunningham
 * Marie Curie
 * Pierre Curie
 * Heber Doust Curtis
 * Ralph Hamilton Curtiss
 * Theodor Curtius
 * E. L. W. Maximilian Curtze
 * Nicholas von Cusa
 * Harvey Williams Cushing
 * Joseph Augustine Cushman
 * Arthur Robertson Cushny
 * Frédéric Cuvier
 * Georges Cuvier
 * Johann Baptist Cysat
 * Aleksander Piotr Czekanowski
 * Johann Nepomuk Czermak
 * Jan Czerski

?

 * Gunnar Dahlberg
 * Giotto Dainelli
 * Henry Drysdale Dakin
 * Giorgio Dal Piaz
 * Henry Hallett Dale
 * Jacques Daléchamps
 * Joachim Dalencé
 * Thomas François Dalibard
 * William Healey Dall
 * John Dalton
 * John Call Dalton
 * Reginald Aldworth Daly
 * Henrik Dam
 * James Dwight Dana
 * Germinal Pierre Dandelin
 * Charles Haskell Danforth
 * John Frederic Daniell
 * Farrington Daniels
 * Egnatio Danti
 * David van Dantzig
 * Jean-Gaston Darboux
 * Jean D'Arcet
 * Patrick D'Arcy
 * Cyril Dean Darlington
 * William Darlington
 * Charles Galton Darwin
 * Charles Robert Darwin
 * Erasmus Darwin
 * Francis Darwin
 * George Howard Darwin
 * Daśabala
 * Cunradus Dasypodius
 * Louis-Jean-Marie Daubenton
 * Charles Giles Bridle Daubeny
 * Gabriel-Auguste Daubrée
 * Casimir Joseph Davaine
 * Charles Benedict Davenport
 * Harold Davenport
 * Tannatt William Edgeworth David
 * August Yulevich Davidov
 * D(Elbert) Dwight Davis
 * William Morris Davis
 * William Davison
 * Clinton Joseph Davisson
 * Humphry Davy
 * John Davy
 * William Rutter Dawes
 * Charles Dawson
 * John William Dawson
 * David Talbot Day
 * Anton De Bary
 * Gavin Rylands De Beer
 * Lee De Forest
 * Jan Cornets De Groot
 * Johannes De Groot
 * Henry Thomas De La Beche
 * Warren De La Rue
 * Augustus De Morgan
 * Bashford Dean
 * Florimond Debeaune
 * Frank Debenham
 * Henri Jules Debray
 * Peter Joseph William Debye
 * Claude François Milliet Dechales
 * Joseph Déchelette
 * Heinrich von Dechen
 * Richard Dedekind
 * John Dee
 * Everette Lee DeGolyer
 * Max Dehn
 * Gabriel Delafosse
 * Yves Delage
 * Richard Delamain
 * Jean-Baptiste Joseph Delambre
 * Charles-Eugène Delaunay
 * Stéphane-Marcel Delépine
 * Alire Delile
 * Guillaume Delisle
 * Joseph-Nicolas Delisle
 * Giovanni Maria Della Torre
 * Eugène Joseph Delporte
 * Jean Frédéric Auguste Delsarte
 * Jean André Deluc
 * Ercole Dembowski
 * Milislav Demerec
 * Democritus
 * Jean-Baptiste Denis
 * Arnaud Denjoy
 * David Mathias Dennison
 * Antoine Deparcieux
 * Charles Depéret
 * Marcel Deprez
 * William Derham
 * Charles Derosne
 * Konstantin Mikhailovich Deryugin
 * Alfred-Louis-Olivier Legrand Des Cloizeaux
 * John Theophilus Desaguliers
 * Girard Desargues
 * René du Perron Descartes
 * Michel Étienne Descourtilz
 * Gerard Paul Deshayes
 * Henri Deslandres
 * Nicolas Desmarest
 * Pierre Jean Édouard Desor
 * Charles-Bernard Desormes
 * Jean Despagnet
 * Victor Dessaignes
 * Henri Devaux
 * Henri Étienne Sainte-Claire Deville
 * James Dewar
 * Roscoe Gilkey Dickinson
 * Leonard Eugene Dickson
 * Samuel Dickstein
 * Denis Diderot
 * Otto Paul Hermann Diels
 * Dietrich von Freiberg
 * Wilhelm Otto Dietrich
 * Kenelm Digby
 * Leonard Digges
 * Thomas Digges
 * Johann Jacob Dillenius
 * Dinakara
 * Hugo Albert Emil Hermann Dingler
 * Ulisse Dini
 * Dinostratus
 * Diocles
 * Diocles of Carystus
 * Achille-Pierre Dionis du Séjour
 * Dionysodorus
 * Diophantus of Alexandria
 * Pedanius Dioscorides
 * Paul Adrien Maurice Dirac
 * Gustav Peter Lejeune Dirichlet
 * William Dittmar
 * Eustachio Divini
 * Prokop Diviš
 * Harold Baily Dixon
 * Henry Horatio Dixon
 * Jeremiah Dixon
 * Cecil Clifford Dobell
 * Theodosius Dobzhansky
 * Denis Dodart
 * Charles Lutwidge Dodgson
 * Rembert Dodoens
 * Cornelio August Severinus Doelter
 * Valentin Alexandrovich Dogel
 * Felix Anton Dohrn
 * Vasilii Vasilevich Dokuchaev
 * Louis Antoine Marie Joseph Dollo
 * John Dollond
 * Dieudonné Dolomieu
 * Gerhard Domagk
 * Joseph Dombey
 * Dominicus de Dominicus de Clavasio
 * Marko Antonije Dominis
 * Domninus of Larissa
 * Henry Herbert Donaldson
 * Giovan Battista Donati
 * Franciscus Cornelis Donders
 * Giovanni Dondi
 * Frederick George Donnan
 * Johann Gabriel Doppelmayr
 * Johann Christian Doppler
 * Hendrik Berend Dorgelo
 * Gerard Dorn
 * Carl W. M. Dorno
 * Dorotheus of Sidon
 * Dositheus
 * James Douglas
 * Jesse Douglas
 * Heinrich Wilhelm Dove
 * Arthur Matthew Weld Downing
 * Jules Joseph Drach
 * Jacques-Philippe-Raymond Draparnaud
 * Henry Draper
 * John William Draper
 * Cornelius Drebbel
 * Johann Louis Emil Dreyer
 * Hans Adolf Eduard Driesch
 * Paul Karl Ludwig Drude
 * Hugh Latimer Dryden
 * Erich von Drygalski
 * Emil Heinrich Du Bois–Reymond
 * Paul David Gustav Du Bois–Reymond
 * Pierre-Louis-Georges Du Buat
 * Jean-Baptiste Du Hamel
 * Théodose Achille Louis Du Moncel
 * Alexander Logie Du Toit
 * William Duane
 * Johann Wolfgang Döbereiner
 * Angelo Dubini
 * Jacques Dubois
 * Raphael-Horace Dubois
 * Octave Duboscq
 * Joseph Duchesne
 * Émile Duclaux
 * Andreas Dudith
 * Robert Dudley
 * Charles-François de Cisternai Dufay
 * Guillaume-Henri Dufour
 * Ours-Pierre-Armand Dufrénoy
 * Raymond Smith Dugan
 * Benjamin Minge Duggar
 * Henri-Louis Duhamel du Monceau
 * Jean-Marie-Constant Duhamel
 * Pierre-Maurice-Marie Duhem
 * Félix Dujardin
 * Jean Dullaert of Ghent
 * Ignaz Döllinger
 * Pierre Louis Dulong
 * Jean-Baptiste-André Dumas
 * André-Marie-Constant Duméril
 * Jesse William Monroe Dumond
 * Carl Owen Dunbar
 * John Charles Duncan
 * Archibald Cochrane Dundonald
 * Nils Christofer Dunér
 * Robley Dunglison
 * Leslie Clarence Dunn
 * Louis Dominique Joseph Armand Dunoyer de Segonzac
 * John Duns Scotus
 * Louis-Isidore Duperrey
 * Pierre-Charles-François Dupin
 * Athanase Louis Victoire Dupré
 * Albrecht Dürer
 * Georg Samuel Dürffel
 * René-Joachim-Henri Dutrochet
 * Clarence Edward Dutton
 * Mathias Marie Duval
 * Joseph-Guichard Duverney
 * Iustin Evdokimovich Dyadkovsky
 * Walther Franz Anton von Dyck
 * Frank Watson Dyson

?

 * Edward Murray East
 * Cornelis Easton
 * Amos Eaton
 * Johann Gottfried Ebel
 * Carl Joseph Eberth
 * Carl Henry Eckart
 * Wallace John Eckert
 * Arthur Stanley Eddington
 * Cornelis Hendrik Edelman
 * Josef Ḿaria Eder
 * Johanna Gabrielle Otillie Edinger
 * Thomas Alva Edison
 * David Edwardes
 * Austin Burton Edwards
 * William Frédéric Edwards
 * Antonio Caetano de Abreu Freire Egas Moniz
 * Dimitrii Fedorovich Egorov
 * Christian Gottfried Ehrenberg
 * Paul Ehrenfest
 * Felix Ehrenhaft
 * Charles Ehresmann
 * Georg Dionysius Ehret
 * Paul Ehrlich
 * Aleksandr Aleksandrovich Eichenwald
 * August Wilhelm Eichler
 * Karl Eduard Ivanovich Eichwald
 * Carl H. Eigenmann
 * Christiaan Eijkman
 * Theodor Gustav Heinrich Eimer
 * Albert Einstein
 * Willem Einthoven
 * Luther Pfahler Eisenhart
 * Ferdinand Gotthold Max Eisenstein
 * Anders Gustaf Ekeberg
 * Vagn Walfrid Ekman
 * Fausto d'Elhuyar
 * Juan José d'Elhuyar
 * Jean-Baptiste-Armand-Louis-Léonce Élie de Beaumont
 * William Lewis Elkin
 * Johann Theodor Eller von Brockhausen
 * Grafton Elliot Smith
 * William Ellis
 * Johann Philipp Ludwig Julius Elster
 * Conrad Arnold Elvehjem
 * Pio Emanuelli
 * Gustav Embden
 * Robert Emden
 * Benjamin Kendall Emerson
 * Robert Emerson
 * Ebenezer Emmons
 * Samuel Franklin Emmons
 * Empedocles of Acragas
 * Johann Franz Encke
 * Friedrich Engel
 * George Engelmann
 * Theodor Wilhelm Engelmann
 * Friedrich Engels
 * Heinrich Gustav Adolf Engler
 * Federigo Enriques
 * David Enskog
 * George Ent
 * Epicurus
 * Paul Sophus Epstein
 * Erasistratus
 * Thomas Erastus
 * Eratosthenes
 * Lazarus Ercker
 * Arthur Erdélyi
 * Otto Linné Erdmann
 * Johannes Scottus Eriugena
 * Joseph Erlanger
 * Richard August Carl Emil Erlenmeyer
 * Georg Adolph Erman
 * Léo-Abram Errera
 * Hans Ertel
 * Hans Conrad Escher von Der Linth
 * Hans Conrad Escher von der Linth
 * Berend George Escher
 * Theodor Escherich
 * Mikkel Pedersön Escholt
 * Johann Friedrich Eschscholtz
 * Ernest Benjamin Esclangon
 * Pentti Elias Eskola
 * James Pollard Espy
 * William Esson
 * Charles Estienne
 * Arnold Thomas Eucken
 * Euclid
 * Euctemon
 * Eudemus of Rhodes
 * Eudoxus of Cnidus
 * Leonhard Euler
 * Hans Karl August Simon von Euler-Chelpin
 * Bartolomeo Eustachi
 * Eutocius of Ascalon
 * Baron von Eötvös
 * Alexander William Evans
 * Frederick John Owen Evans
 * Griffith Conrad Evans
 * Lewis Evans
 * William Harry Evans
 * John Evelyn
 * John Evershed
 * Paul Peter Ewald
 * James Ewing
 * James Alfred Ewing
 * William Maurice Ewing
 * Henry Eyring
 * Johann Albert C. Eytelwein
 * Abraham Ben Meir ibn Ezra

?

 * Giovanni Valentino Mattia Fabbroni
 * Jean Henri Fabre
 * Honoré Fabri
 * Girolamo Fabrici
 * Johann Christian Fabricius
 * Charles Fabry
 * Louis Fabry
 * Giovanni Francesco Fagnano dei Toschi
 * Giulio Carlo Fagnano dei Toschi
 * Daniel Gabriel Fahrenheit
 * Kasimir Fajans
 * Hugh Falconer
 * Gabriele Falloppio
 * Isidor Fankuchen
 * Gino Fano
 * Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
 * Michael Faraday
 * John Farey
 * Abu'l-ʿAbbās Aḥmad ibn Muḥammad ibn Kathīr al-Farghānī
 * Laszlo Farkas
 * John Bretland Farmer
 * John Farrar
 * Pierre Joseph Louis Fatou
 * Barthélemy Faujas de Saint-Fond
 * Johann Faulhaber
 * Alexei Yevgrafovich Favorsky
 * Pierre Antoine Favre
 * Hervé Faye
 * Muḥammad ibn Ibrāhīm al-Fazārī
 * George William Featherstonhaugh
 * Gustav Theodor Fechner
 * Berend Wilhelm Feddersen
 * Evgenii Konstantinovich Fedorov
 * Antoine-Laurent-Apollinaire Fée
 * Georg Feigl
 * Lipót Fejér
 * William Feller
 * Wallace Osgood Fenn
 * Nevin Melancthon Fenneman
 * Clarence Norman Fenner
 * James Ferguson
 * Pierre de Fermat
 * Enrico Fermi
 * Merritt Lyndon Fernald
 * Jean François Fernel
 * Ludovico Ferrari
 * Galileo Ferraris
 * Antoine Ferrein
 * William Ferrel
 * David Ferrier
 * Scipione dal Ferro
 * Aleksandr Evgenievich Fersman
 * Reginald Aubrey Fessenden
 * Karl Wilhelm Feuerbach
 * Louis Feuillée
 * Robert Joachim Feulgen
 * Leonardo Fibonacci
 * Lazare-Eugène Fichot
 * Adolf Eugen Fick
 * John Charles Fields
 * Louis Frederick Fieser
 * Noël Fiessinger
 * Paul Gordon Fildes
 * Iurii Aleksandrovich Filipchenko
 * Henry Burchard Fine
 * Oronce Fine
 * Thomas Fink
 * Carlos Juan Finlay
 * Niels Ryberg Finsen
 * Firmicus Maternus
 * Emil Hermann Fischer
 * Hans Fischer
 * Hermann Otto Laurenz Fischer
 * Nicolaus Wolfgang Fischer
 * Ronald Aylmer Fisher
 * Asa Fitch
 * Rudolph Fittig
 * William Henry Fitton
 * George Francis Fitzgerald
 * Robert Fitzroy
 * Armand-Hippolyte-Louis Fizeau
 * Camille Flammarion
 * John Flamsteed
 * Paul Emil Flechsig
 * Johannes Fleischer
 * Alexander Fleming
 * John Fleming
 * John Ambrose Fleming
 * Williamina Paton Fleming
 * Walther Flemming
 * Walter Morley Fletcher
 * John Smith Flett
 * Simon Flexner
 * Howard Walter Florey
 * Marie-Jean-Pierre Flourens
 * William Henry Flower
 * Robert Fludd
 * August Frederick Foerste
 * Vladimir Aleksandrovich Fok
 * Hermann Fol
 * Otto Folin
 * Martin Folkes
 * Alexis Fontaine
 * Felice Fontana
 * Bernard Le Bouyer de Fontenelle
 * Alexander Forbes
 * Edward Forbes
 * James David Forbes
 * Stephen Alfred Forbes
 * Johan Georg Forchhammer
 * Mathurin-Joseph Fordos
 * Auguste-Henri Forel
 * François Alphonse Forel
 * Peter Forsskål
 * Georg Adam Forster
 * Johann Reinhold Forster
 * Andrew Russell Forsyth
 * Jean Nicolas Fortin
 * William Frederick Foshag
 * Henry Foster
 * Michael Foster
 * Jean-Bernard-Léon Foucault
 * Jean-Paul Grandjean de Fouchy
 * Ferdinand André Fouqué
 * Antoine François de Fourcroy
 * Jean-Baptiste-Joseph Fourier
 * Paul Fourmarier
 * Ernest Fourneau
 * Benoît Fourneyron
 * Alfred Fowler
 * Ralph Howard Fowler
 * George Fownes
 * Girolamo Fracastoro
 * Adolf Abraham Fraenkel
 * Julien Fraipont
 * François Français
 * Jacques Frédéric Français
 * Piero della Francesca
 * Francis of Marchia
 * Francis of Meyronnes
 * James Franck
 * Sebastian Franck
 * Philipp Frank
 * Moritz Ludwig Frankenheim
 * Edward Frankland
 * Percy Faraday Frankland
 * Benjamin Franklin
 * Rosalind Elsie Franklin
 * Joseph Fraunhofer
 * James George Frazer
 * René Maurice Fréchet
 * Frederick II of Hohenstaufen
 * Léon Fredericq
 * Ivar Fredholm
 * Friedrich Ludwig Gottlob Frege
 * Johann Karl Freiesleben
 * John Freind
 * Edmond Frémy
 * Jean-Frédéric Frenet
 * Bernard Frenicle De Bessy
 * Yakov Ilyich Frenkel
 * Friedrich August Frenzel
 * John Frere
 * Carl Remigius Fresenius
 * Augustin Jean Fresnel
 * Sigmund Freud
 * Karl Johann Freudenberg
 * Erwin Finlay Freundlich
 * Herbert Max Finlay Freundlich
 * Maximilian Ruppert Franz von Frey
 * Georges Friedel
 * Aleksandr Aleksandrovich Friedman
 * John Albert Newton Friend
 * Elias Magnus Fries
 * Jakob Friedrich Fries
 * Karl Ritter von Frisch
 * Otto Robert Frisch
 * Paolo Frisi
 * Gustav Theodor Fritsch
 * Carl Julius Fritzsche
 * Georg Ferdinand Frobenius
 * Edwin Brant Frost
 * William Froude
 * Aleksandr Naumovich Frumkin
 * Guido Fubini
 * Immanuel Lazarus Fuchs
 * Johann Nepomuk von Fuchs
 * Leonhart Fuchs
 * Georg Christian Füchsel
 * Karl Rudolf Fueter
 * Johann Karl Fuhlrott
 * John Farquhar Fulton
 * Casimir Funk
 * August Föppl
 * Jean Fusoris
 * Nicolaus Fuss
 * Evgraf Stepanovich Fyodorov

?

 * William More Gabb
 * Dennis Gabor
 * Siegmund Gabriel
 * Johan Gadolin
 * Wolfgang Gaede
 * Joseph Gaertner
 * Karl Friedrich von Gaertner
 * Georg Theodor August Gaffky
 * Domenico Gagliardi
 * Élie Gagnebin
 * Johan Gottlieb Gahn
 * Aimable Jean-Baptiste Gaillot
 * Joseph Paul Gaimard
 * Walter Lee Gaines
 * Domenico Gusmano Galeazzi
 * Galen
 * Boris Grigorievich Galerkin
 * Galileo Galilei
 * Vincenzio Galilei
 * Franz Joseph Gall
 * Johann Gottfried Galle
 * Jean Gallois
 * Evariste Galois
 * Francis Galton
 * Luigi Galvani
 * Nikolay Fyodorovich Gamaleya
 * Henri-Prudence Gambey
 * George Gamow
 * Gaṇeśa Daivajna
 * Antonio Giorgio Garbasso
 * Thomas Garnett
 * Prosper Garnot
 * Lazare Garreau
 * Archibald Edward Garrod
 * Walter Garstang
 * William Gascoigne
 * Walter Holbrook Gaskell
 * Pierre Gassendi
 * Herbert Spencer Gasser
 * John Peter Gassiot
 * Reginald Ruggles Gates
 * Marc Antoine Augustin Gaudin
 * Albert Jean Gaudry
 * Henri-François Gaultier de Claubry
 * Carl Friedrich Gauss
 * Armand E.-J. Gautier
 * Paul Ferdinand Gautier
 * Frederick Parker Gay
 * Louis Gayant
 * Joseph-Louis Gay-Lussac
 * Charles de Geer
 * Gerhard Jakob de Geer
 * Carl Gegenbaur
 * Adolf Ferdinand Gehlen
 * Hans Geiger
 * Archibald Geikie
 * James Geikie
 * Karl Friedrich Geiser
 * Johann Heinrich Wilhelm Geissler
 * F. K. Hans Geitel
 * Alexandr Osipovich Gelfond
 * Henry Gellibrand
 * Paul Josef Jakob Gelmo
 * Geminus
 * Thomas Geminus
 * Reiner Gemma Frisius
 * Frederick Augustus Genth
 * Gerhard Gentzen
 * Étienne Geoffroy Saint-Hilaire
 * Isidore Geoffroy Saint-Hilaire
 * Claude Joseph Geoffroy
 * Étienne François Geoffroy
 * Étienne Louis Geoffroy
 * Gerard of Brussels
 * Gerard of Cremona
 * Gerard of Silteo
 * John Gerard
 * Boris Petrovich Gerasimovich
 * Gerbert d'Gerbert
 * Marcus Gerbezius
 * Joseph Diaz Gergonne
 * Charles Frédéric Gerhardt
 * Sophie Germain
 * Henricus Martellus Germanus
 * Arnold Lucius Gesell
 * Konrad Gesner
 * Johannes Gessner
 * Anton Geuther
 * Marino Ghetaldi
 * Luca Ghini
 * Martino Ghisi
 * Alfred Giard
 * William Francis Giauque
 * Josiah Willard Gibbs
 * Wolcott Gibbs
 * Friedrich Oskar Giesel
 * Maurice Gignoux
 * Grove Karl Gilbert
 * William Gilbert
 * Giles of Lessines
 * Giles of Rome
 * David Gill
 * Theodore Nicholas Gill
 * James Gilluly
 * Giovanni Giorgi
 * Albert Girard
 * Pierre-Simon Girard
 * Christoph Girtanner
 * John Hall Gladstone
 * James Glaisher
 * James Whitbread Lee Glaisher
 * Joseph Glanvill
 * Christopher Glaser
 * Johann Heinrich Glaser
 * Johann Rudolph Glauber
 * Richard Tetley Glazebrook
 * Wilhelm Friedrich von Gleichen-Russworm
 * Marcel-Eugène-Émile Gley
 * Francis Glisson
 * Johann Georg Gmelin
 * Leopold Gmelin
 * Nicolas-Théodore Gobley
 * Robert Hutchings Goddard
 * Thomas Godfrey
 * Louis Godin
 * Robert Alfred Cloyne Godwin-Austen
 * Karl Goebel
 * Johannes Goedaert
 * Heinrich Robert Goeppert
 * Johann Wolfgang von Goethe
 * Alexander Wilhelm Goette
 * Jacques Gohory
 * Christian Goldbach
 * Joseph Goldberger
 * Winifred Goldring
 * Richard Benedict Goldschmidt
 * Victor Goldschmidt
 * Victor Moritz Goldschmidt
 * Eugen Goldstein
 * Camillo Golgi
 * Boris Borisovich Golitsyn
 * Friedrich Leopold Goltz
 * Moses Gomberg
 * Benjamin Gompertz
 * Edwin Stephen Goodrich
 * John Goodricke
 * John Goodsir
 * Thomas Harper Goodspeed
 * Paul Albert Gordan
 * Walter Gordon
 * George Gore
 * Michele Gortani
 * Jules-Auguste Gosselet
 * William Sealy Gosset
 * Samuel Abraham Goudsmit
 * Augustus Addison Gould
 * Benjamin Apthorp Gould
 * John Gould
 * Édouard Jean-Baptiste Goursat
 * Louis-Georges Gouy
 * Regnier de Graaf
 * Amadeus William Grabau
 * Karl James Peter Graebe
 * Kasimir Romuald Graff
 * Karl Heinrich Gräffe
 * George Graham
 * Thomas Graham
 * Hans Christian Joachim Gram
 * Zénobe-Théophile Gramme
 * Antoine Alfred Arnaud Xavier Louis de Gramont
 * Cyrille Grand'eury
 * Guido Grandi
 * Walter Willis Granger
 * Franz Grashof
 * Giovanni Battista Grassi
 * Hermann Günther Grassmann
 * Louis Pierre Gratiolet
 * John Graunt
 * Dmitry Aleksandrovich Grave
 * Willem Jacob 's Gravesande
 * Asa Gray
 * Henry Gray
 * Stephen Gray
 * George Green
 * Jacob Green
 * George Bellas Greenough
 * Isaac Greenwood
 * David Gregory
 * Duncan Farquharson Gregory
 * Frederick Gugenheim Gregory
 * James Gregory
 * Olinthus Gilbert Gregory
 * William Gregory
 * William King Gregory
 * Friedrich Albrecht Carl Gren
 * Amanz Gressly
 * Nehemiah Grew
 * Johann Peter Griess
 * Richard John Griffith
 * William Griffith
 * François Auguste Victor Grignard
 * Gerrit Grijns
 * Francesco Maria Grimaldi
 * Joseph Grinnell
 * August Heinrich Rudolf Grisebach
 * Federico de Grisogono
 * Albrecht von Groddeck
 * Walter Robert Gross
 * Robert Grosseteste
 * Ernst A. F. W. Grossmann
 * Marcel Grossmann
 * Augustus Radcliffe Grote
 * Paul Heinrich von Groth
 * Theodor Grotthuss
 * William Robert Grove
 * Howard Grubb
 * Thomas Grubb
 * Johann Ulrich Grubenmann
 * Max von Gruber
 * David Gruby
 * Jean Paul Gua de Malves
 * Giovanni Battista Guccia
 * Johann Bernhard Aloys von Gudden
 * Kurt Friedrich Gödel
 * Christoph Gudermann
 * Adam Wilhelm Siegmund Guenther
 * Otto von Guericke
 * William Minot Guertler
 * Jean-Étienne Guettard
 * Nicolas Guibert
 * Guido Guidi
 * Jean-Louis-Léon Guignard
 * Charles Édouard Guillaume
 * Léon Alexandre Guillet
 * Marie Antoine Alexandre Guilliermond
 * Joannes Guinter
 * Cato Maximilian Guldberg
 * Paul Guldin
 * John Thomas Gulick
 * John Masson Gulland
 * Allvar Gullstrand
 * Dominicus Gundissalinus
 * Edmund Gunter
 * Adolph Göpel
 * Arthur Görgey
 * Aleksandr Gavrilovich Gurvich
 * Felix Alexander Gutbier
 * Beno Gutenberg
 * Charles-Eugène Guye
 * Michael Frederic Guyer
 * Arnold Henri Guyot
 * Louis Bernard Guyton de Morveau
 * David Thomas Gwynne-Vaughan
 * Leonhard Gyllenhaal

?

 * Theodore Haak
 * Alfréd Haar
 * Arthur Erich Haas
 * Wander Johannes de Haas
 * Johann Franz Julius von Haast
 * Aḥmad ibn ʿAbdallāh al-Marwazī Ḥabash al-Ḥāsib
 * Fritz Haber
 * Gottlieb Haberlandt
 * Jean Nicolas Pierre Hachette
 * Jacques Hadamard
 * Robert Abbott Hadfield
 * John Hadley
 * Ernst Hadorn
 * Ernst Heinrich Philipp August Haeckel
 * Waldemar Mordecai Wolfe Haffkine
 * Arnold Hague
 * Otto Hahn
 * Christian Friedrich Samuel Hahnemann
 * Wilhelm Karl Haidinger
 * Richard Hakluyt
 * John Burdon Sanderson Haldane
 * John Scott Haldane
 * Richard Burdon Haldane
 * George Ellery Hale
 * William Hale
 * Stephen Hales
 * Asaph Hall
 * Charles Martin Hall
 * Edwin Herbert Hall
 * Granville Stanley Hall
 * James Hall
 * Marshall Hall
 * Sir James Hall
 * Albrecht von Haller
 * Edmond Halley
 * William Dobinson Halliburton
 * Ernst Hans Hallier
 * Wilhelm Ludwig Franz Hallwachs
 * Jacob Karl Ernst Halm
 * Georges-Henri Halphen
 * George Bruce Halsted
 * William Stewart Halsted
 * Axel Hamberg
 * Abū Muḥammad al-Ḥasan ibn Aḥmad ibn YaʿQūb al-Hamdānī
 * William Hamilton
 * William Rowan Hamilton
 * William Hampson
 * Maurice Théodore Adolphe Hamy
 * Hermann Hankel
 * Wilhelm Gottlieb Hankel
 * Julius Ferdinand von Hann
 * Emil Christian Hansen
 * Gerhard Henrik Armauer Hansen
 * Peter Andreas Hansen
 * William Webster Hansen
 * Aleksey Pavlovich Hansky
 * Christopher Hansteen
 * Arthur Rudolf Hantzsch
 * Walter Helmut Häntzschel
 * A. G. Vernon Harcourt
 * Arthur Harden
 * Carl Ludwig Harding
 * Claude Hardy
 * Godfrey Harold Hardy
 * William Bate Hardy
 * Robert Hare
 * Haridatta I
 * Haridatta II
 * Charles Robert Harington
 * Harish-Chandra
 * Alfred Harker
 * William Draper Harkins
 * William Harkness
 * Richard Harlan
 * Robert Almer Harper
 * Roland McMillan Harper
 * Henrik Harpestraeng
 * Thomas Harriot
 * John Harris
 * John Harrison
 * Ross Granville Harrison
 * Edwin Bret Hart
 * Theodor Hartig
 * Pieter Harting
 * David Hartley
 * Samuel Hartlib
 * Carl Friedrich Alexander Hartmann
 * Georg Hartmann
 * Johannes Hartmann
 * Johannes Franz Hartmann
 * Douglas Rayner Hartree
 * Nicolaas Hartsoeker
 * Ernst Hartwig
 * Edmund Newton Harvey
 * William Harvey
 * William Henry Harvey
 * Friedrich Hasenöhrl
 * Helmut Hasse
 * Jean-Henri Hassenfratz
 * Ferdinand Rudolph Hassler
 * Charles Hatchett
 * Berthold Hatschek
 * Gustave Emile Haug
 * Francis Hauksbee
 * Felix Hausdorff
 * Paul Gabriel Hautefeuille
 * René-Just Haüy
 * Clopton Havers
 * Adrian Hardy Haworth
 * Walter Norman Haworth
 * Abū'l-Qāsim Muḥammad ibn Ḥawqal
 * Ferdinand Vandiveer Hayden
 * John Fillmore Hayford
 * Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham
 * Thomas Little Heath
 * Oliver Heaviside
 * Hecataeus of Miletus
 * Daniel Friedrich Hecht
 * Erich Hecke
 * Sven Anders Hedin
 * Johann Hedwig
 * Oswald Heer
 * Bruce C. Heezen
 * Friedrich Franz von Hefner-Alteneck
 * Martin Heidenhain
 * Rudolf Peter Heinrich Heidenhain
 * Ian Morris Heilbron
 * Hans Arnold Heilbronn
 * Albert Heim
 * Albert Arnold Heim
 * Heinrich Eduard Heine
 * Oskar August Heinroth
 * Werner Karl Heisenberg
 * Weikko Aleksanteri Heiskanen
 * Lorenz Heister
 * Ludvig Hektoen
 * Maximilian Hell
 * Bjørn Helland-Hansen
 * Ernst Hellinger
 * Jean Hellot
 * Hermann Hellriegel
 * Eduard Helly
 * Grigory Petrovich Helmersen
 * Friedrich Robert Helmert
 * Hermann von Helmholtz
 * Johannes Helmont
 * Johann Friedrich Henckel
 * Lawrence Joseph Henderson
 * Thomas Henderson
 * Yandell Henderson
 * Arthur Henfrey
 * Hermann Henking
 * Friedrich Gustav Jacob Henle
 * Emil Hans Willi Hennig
 * Victor Henri
 * Sophus Henrichsen
 * Denis Henrion
 * Henry Bate of Malines
 * Henry of Hesse
 * Henry of Mondeville
 * Joseph Henry
 * Paul Pierre Henry
 * Thomas Henry
 * William Henry
 * Kurt Hensel
 * Christian Hensen
 * John Stevens Henslow
 * Heraclides Ponticus
 * Heraclitus of Ephesus
 * John Herapath
 * William Bird Herapath
 * Johann Friedrich Herbart
 * William Herbert
 * Jacques Herbrand
 * Curt Alfred Herbst
 * Félix d'Hérelle
 * Pierre Hérigone
 * Karl Ewald Konstantin Hering
 * Hermann the Lame
 * Carl Heinrich Hermann
 * Jakob Hermann
 * Sigismund Friedrich Hermbstaedt
 * Hermes Trismegistus
 * Charles Hermite
 * Francisco Hernández
 * Hero of Alexandria
 * Herodotus of Halicarnassus
 * Herophilus
 * Paul Louis Toussaint Héroult
 * Alfonso Luís Herrera
 * Charles Judson Herrick
 * Caroline Lucretia Herschel
 * John Frederick William Herschel
 * William Herschel
 * Karl Wilhelm Theodor Richard von Hertwig
 * Wilhelm August Oscar Hertwig
 * Heinrich Rudolf Hertz
 * Ejnar Hertzsprung
 * Germain Henri Hess
 * Harry Hammond Hess
 * Victor Franz Hess
 * Ludwig Otto Hesse
 * Johann Friedrich Christian Hessel
 * Hendrik van Heuraet
 * Jan van Heurne
 * Johannes Hevelius
 * György Hevesy
 * William Hewson
 * Emil Heyn
 * Friedrich Anton von Heynitz
 * Jaroslav Heyrovský
 * William Heytesbury
 * Arend Heyting
 * Urban Hiärne
 * Hicetas of Syracuse
 * Bryan Higgins
 * William Higgins
 * Nathaniel Highmore
 * David Hilbert
 * Georg Friedrich Hildebrandt
 * Hildegard of Bingen
 * Thomas Percy Hilditch
 * George William Hill
 * John Hill
 * Lester Sanders Hill
 * Maurice Neville Hill
 * John Russell Hind
 * Carl Friedrich Hindenburg
 * Cyril Norman Hinshelwood
 * Hipparchus
 * Hippias of Elis
 * Hippocrates of Chios
 * Hippocrates of Cos
 * Kiyotsugu Hirayama
 * Gustave Adolfe Hirn
 * Ludwig Hirszfeld
 * Wilhelm His
 * Wilhelm Hisinger
 * Albert Spear Hitchcock
 * Edward Hitchcock
 * Johann Wilhelm Hittorf
 * Eduard Hitzig
 * Johan Hjort
 * Dennis Robert Hoagland
 * Thomas Hobbes
 * Ernest William Hobson
 * William Vallance Douglas Hodge
 * Eaton Hodgkinson
 * Martinus Hoek
 * Józef Maria Hoëné-Wroński
 * Jan van der Hoeven
 * Jan van Der Hoeven
 * Jan van der Hoeven
 * Karl Ernst Adolf von Hoff
 * Friedrich Hoffmann
 * August Wilhelm von Hofmann
 * Franz Hofmeister
 * Wilhelm Friedrich Benedikt Hofmeister
 * Paul Henri Thiry Holbach
 * Ludwig Christian Friedrich Holborn
 * John Edwards Holbrook
 * Edward Singleton Holden
 * Bernt Michael Holmboe
 * Arthur Holmes
 * Frithiof Holmgren
 * Wilhelm Homberg
 * Everard Home
 * Kotaro Honda
 * Robert Hooke
 * Joseph Dalton Hooker
 * William Jackson Hooker
 * Thomas Charles Hope
 * Heinz Hopf
 * Frederick Gowland Hopkins
 * William Hopkins
 * John Hopkinson
 * Felix Hoppe-Seyler
 * Jan Horbaczewski
 * Guido Horn D'Arturo
 * George Henry Horn
 * Johannes van Horne
 * Leonard Horner
 * William George Horner
 * Thomas Hornsby
 * Christian Horrebow
 * Peder Nielsen Horrebow
 * Jeremiah Horrocks
 * Eben Norton Horsford
 * Victor Alexander Haden Horsley
 * August Friedrich Horstmann
 * Martinus Hortensius
 * David Hosack
 * Guillaume-Jules Hoüel
 * George Washington Hough
 * Douglass Houghton
 * Bernardo Alberto Houssay
 * Leland Ossian Howard
 * James Lewis Howe
 * William Henry Howell
 * Aleš Hrdlička
 * Edwin Powell Hubble
 * Carl Leavitt Hubbs
 * Johann Jacob Huber
 * Maksymilian Tytus Huber
 * Rudolf Otto Anselm Hüber
 * Ambrosius Arnold Willem Hubrecht
 * Jan Hudde
 * Claude Silbert Hudson
 * William Hudson
 * Friedrich Freiherr von Huene
 * Leon Hufnagel
 * William Huggins
 * Hugh of St. Victor
 * Pierre Henri Hugoniot
 * Otto Ludwig Hölder
 * Albert Wallace Hull
 * Marie-Georges Humbert
 * Pierre Humbert
 * Friedrich Wilhelm Heinrich Alexander von Humboldt
 * David Hume
 * William Hume-Rothery
 * Abū Zayd Ḥunayn ibn Isḥāq al-ʿIbādī
 * Canis Hundt
 * Otto Hönigschmid
 * Frederick Vinton Hunt
 * James Hunt
 * Reid Hunt
 * Thomas Sterry Hunt
 * John Hunter
 * William Hunter
 * Edward Vermilye Huntington
 * Witold Hurewicz
 * Adolf Hurwitz
 * Emil Huschke
 * William Joseph Hussey
 * John Hutchinson
 * Charles Hutton
 * James Hutton
 * Thomas Henry Huxley
 * Christiaan Huygens
 * Alpheus Hyatt
 * Egil Andersen Hylleraas
 * Libbie Henrietta Hyman
 * Hypatia
 * Hypsicles of Alexandria
 * Joseph Hyrtl

?

 * Iamblichus
 * Carlos Ibáñez E Ibáñez de Ibero
 * Ibn Hibintā
 * Ibrāhīm ibn Sinān ibn Thābit ibn Qurra
 * Ibrāhīm ibn Yaʿqūb al-IsrāʾAīlī al-Turṭushi
 * Joseph Paxson Iddings
 * Naum Ilich Idelson
 * al-Sharīf al-Idrīsī al-Idrīsī
 * Vincent Charles Illing
 * Akitune Imamura
 * Leopold Infeld
 * Jan Ingen-Housz
 * Giovanni Filippo Ingrassia
 * Robert Thorburn Ayton Innes
 * Tadataka Inō
 * Abram Fedorovich Ioffe
 * Vladimir Nikolaevich Ipatiev
 * János Irinyi
 * Isaac Israeli
 * Charles Edward Isaacs
 * Abū Yaʿqūb Isḥāq ibn Ḥunayn
 * Jun Ishiwara
 * Isidore of Seville
 * Isidorus of Miletus
 * Arturo Issel
 * Ilya Ivanovich Ivanov
 * Piotr Pavlovich Ivanov
 * Dmitri Iosifovich Ivanovsky
 * Herbert Eugene Ives
 * James Ivory

?

 * Abū Muḥammad Jābir ibn Aflaḥ al-Ishbīlī
 * Jābir ibn Ḥayyān
 * Auguste Jaccard
 * Charles Thomas Jackson
 * John Hughlings Jackson
 * Carl Gustav Jacob Jacobi
 * Moritz Hermann von Jacobi
 * Walter Abraham Jacobs
 * Pierre Armand Jacquet
 * Nikolaus Josef Jacquin
 * Frans Maurits Jaeger
 * Georg Friedrich Jaeger
 * Otto Jaekel
 * Jagannātha
 * Thomas Augustus Jaggar
 * Abū ʿUthmān ʿAmr ibn Baḥr al-Jāḥiẓ
 * Hans Max Jahn
 * James of Venice
 * William James
 * Robert Jameson
 * Zygmunt Janiszewski
 * Zacharias Jansen
 * Pierre Jules César Janssen
 * Antoine Gabriel Jars
 * al-ʿAbbās ibn Saʿīd al-Jawharī
 * Jayasiṃha
 * Abū ʿAbd Allāh Muḥammad ibn Muʿādh al-Jayyānī
 * Abu-l-ʿizz Ismāʿīl ibn al-Razzāz al-Jazarīʿ
 * James Hopwood Jeans
 * Edme-Sébastien Jeaurat
 * Thomas Jefferson
 * Edward Charles Jeffrey
 * John Gwyn Jeffreys
 * Zay Jeffries
 * Henry Charles Fleeming Jenkin
 * John Wilfred Jenkinson
 * Edward Jenner
 * Herbert Spencer Jennings
 * Carl Oluf Jensen
 * Johan Ludvig William Valdemar Jensen
 * Glen Lowell Jepsen
 * Willis Linn Jepson
 * George Birch Jerrard
 * William Stanley Jevons
 * Frank Baldwin Jewett
 * Ferdinand Joachimsthal
 * Louis Joblot
 * Johannes Lauratius de Fundis
 * Albert Johannsen
 * Wilhelm Ludvig Johannsen
 * John of Dumbleton
 * John of Gmunden
 * Johannes de John of Lignères
 * John of Murs
 * John of Palermo
 * John of Saxony
 * John of Sicily
 * John Philoponus
 * John Simonis of Selandia
 * Douglas Wilson Johnson
 * Manuel John Johnson
 * Thomas Johnson
 * Willard Drake Johnson
 * William Johnson
 * William Ernest Johnson
 * Frédéric Joliot
 * Irène Joliot-Curie
 * Philipp Johann Gustav von Jolly
 * John Joly
 * Harry Clary Jones
 * Walter Jennings Jones
 * William Jones
 * Ernest Jean Philippe Fauque de Jonquières
 * John Jonston
 * Camille Jordan
 * Claude Jordan
 * David Starr Jordan
 * Edwin Oakes Jordan
 * Ernst Pascual Jordan
 * Heinrich Ernst Jordan
 * Jordanus de Nemore
 * Sophus Mads Jørgensen
 * James Prescott Joule
 * Jorge Juan y Santacilla
 * Chancey Juday
 * Sophus Christian Juel
 * Joseph Beete Jukes
 * Percy Lavon Julian
 * Willem Henri Julius
 * Sulaymān ibn Ḥasan ibn Juljul
 * Johann Juncker
 * Carl Gustav Jung
 * Joachim Jungius
 * Adrien Henri Laurent de Jussieu
 * Antoine de Jussieu
 * Antoine-Laurent de Jussieu
 * Bernard de Jussieu
 * Joseph de Jussieu
 * Johann Heinrich Gottlob von Justi

?

 * Ivan Alexsevich Kablukov
 * Engelbert Kaempfer
 * Abraham Gotthelf Kaestner
 * Benjamin Fedorovich Kagan
 * Louis Albrecht Kahlenberg
 * Frederik Kaiser
 * Pehr Kalm
 * László Kalmár
 * Theodor Franz Eduard Kaluza
 * Kamāl al-Dīn Abu'l Ḥasan Muḥammad ibn al-Ḥasan al-Fārisī
 * Kamalākara
 * Heike Kamerlingh Onnes
 * Kanaka
 * Robert John Kane
 * Immanuel Kant
 * Jacobus Cornelius Kapteyn
 * Abū Bakr ibn Muḥammad ibn al Ḥusayn al-Karajī
 * Valentin Alekseevich Kargin
 * Theodore von Kármán
 * Georgii Dmitrievich Karpechenko
 * Louis Charles Karpinski
 * Alexandr Petrovich Karpinsky
 * Paul Karrer
 * Karl Johann Bernhard Karsten
 * Ghiyāth al-Dīn Jamshīd Masʾūd al-Kāshī
 * Henry Kater
 * Walter Kaufmann
 * Vladimir Vladimirovich Kavraysky
 * George Frederick Kay
 * Marshall Kay
 * Heinrich Johannes Gustav Kayser
 * Bartholomew Keckermann
 * James Edward Keeler
 * Willem Hendrik Keesom
 * David Keilin
 * James Keill
 * John Keill
 * James Keir
 * Arthur Keith
 * August Kekule von Stradonitz
 * David Kellner
 * Albert Kellogg
 * Vernon Lyman Kellogg
 * Raymond Alexander Kelser
 * Edward Calvin Kendall
 * Alexander Blackie William Kennedy
 * Arthur Edwin Kennelly
 * Johannes Kepler
 * Béla Kerékjártó
 * John Kerr
 * John Graham Kerr
 * Keśava
 * Charles Franklin Kettering
 * Henry Bernard Davis Kettlewell
 * John Maynard Keynes
 * Alexandr Andreevich Keyserling
 * Khaldūn Ibn
 * Shams al-Dīn Abū ʿAbdallāh Muḥammad ibn Muḥammad al-Khalīlī
 * Morris Selig Kharasch
 * Ghiyāth al-Dīn Abu'l-Fath ʿUmar ibn Ibrāhīm al-Nīsā-Būrī al-Khayyāmī
 * Abū Jaʿfar Muhammad ibn al-Ḥasan al-Khurāsānī al-Khāzin
 * Abu'l-Fatḥ ʿAbd al-Raḥmān al-Khāzinī
 * Aleksandr Yakovlevich Khinchin
 * Rem Victorovich Khokhlov
 * Abū Maḥmūd Ḥāmid ibn al-Khiḍr al-Khujandī
 * Conrad Khunrath
 * Heinrich Khunrath
 * Abu' L-Qāsim ʿUbayd AllāhʿAbd Allāh ibn Khurradādhbih
 * Abū ʿAbd Allāh Muḥammad ibn Aḥmad ibn Yūsuf al-Khuwārizmī
 * Abū Jaʿfar Muḥammad ibn Mūsā al-Khwārizmī
 * John Kidd
 * Carl Friedrich Kielmeyer
 * Hisashi Kimura
 * Abū Yūsuf Yaʿqūb ibn Isḥāq al-Ṣabbāḥ al-Kindī
 * Clarence Rivers King
 * Harold King
 * Helen Dean King
 * William Bernard Robinson King
 * Ebenezer Kinnersley
 * Frederick Stanley Kipping
 * Athanasius Kircher
 * Konstantin Sigizmundovich Kirchhof
 * Gustav Robert Kirchhoff
 * David Kirkaldy
 * Thomas Penyngton Kirkman
 * Daniel Kirkwood
 * John Gamble Kirkwood
 * Richard Kirwan
 * Pál Kitaibel
 * Shibasaburo Kitasato
 * Johann Gustav Christoffer Kjeldahl
 * Martin Heinrich Klaproth
 * Georg Albrecht Klebs
 * Christian Felix Klein
 * Hermann Joseph Klein
 * Jacob Theodor Klein
 * Oskar Benjamin Klein
 * Nicolaus Kleinenberg
 * Ewald Georg von Kleist
 * Ernst Klenk
 * Samuel Klingenstierna
 * Georg Simon Klügel
 * Albert Jan Kluyver
 * Adolf Kneser
 * Samuel Howell Knight
 * Thomas Andrew Knight
 * Nikolai Mikhailovich Knipovich
 * Adolph Knopf
 * Konrad Knopp
 * Georg Wolfgang Knorr
 * Ludwig Knorr
 * Cargill Gilston Knott
 * Robert Knox
 * Martin Hans Christian Knudsen
 * Vern Oliver Knudsen
 * Paul Erich Otto Wilhelm Knuth
 * Heinrich Hermann Robert Koch
 * Helge von Koch
 * Nikolai Yevgrafovich Kochin
 * Paul Koebe
 * Rudolf Albert von Koelliker
 * Joseph Gottlieb Koelreuter
 * Johann Samuel Koenig
 * Julius Koenig
 * Karl Rudolph Koenig
 * Gabriel Koenigs
 * Charles Atwood Kofoid
 * Friedrich Wilhelm Georg Kohlrausch
 * Rudolph Herrmann Arndt Kohlrausch
 * Adolf Wilhelm Hermann Kolbe
 * Gury Vasilievich Kolosov
 * Nikolai Konstantinovich Koltzoff
 * Ivan Lavrentievich Kondakov
 * Laurent-Guillaume de Koninck
 * Miklós von Konkoly Thege
 * Dmitry Petrovich Konovalov
 * Hermann Kopp
 * Sergey Pavlovich Korolev
 * Diederik Johannes Korteweg
 * Karl Martin Leonhard Albrecht Kossel
 * Walther Kossel
 * Stanisław Kostanecki
 * Sergey Konstantinovich Kostinsky
 * Aleksandr Petrovich Kotelnikov
 * Bunjiro Kotō
 * Aleksandr Onufrievich Kovalevsky
 * Sonya Kovalevsky
 * Vladimir Onufrievich Kovalevsky
 * Marian Albertovich Kovalsky
 * Lew Kowarski
 * Alexandre Koyré
 * Jens Kraft
 * Hendrik Anthony Kramers
 * Chrétien Kramp
 * Stepan Petrovich Krasheninnikov
 * Andrey Nikolaevich Krasnov
 * Theodosy Nicolaevich Krasovsky
 * Charles August Kraus
 * Ernst Ludwig Krause
 * Torichan Pavlovich Kravets
 * Cornelis Rudolphus Theodorus Krayenhoff
 * Hans Adolf Krebs
 * Schack August Steenberg Krogh
 * Hugo Kronecker
 * Leopold Kronecker
 * Petr Alekseevich Kropotkin
 * Kṛṣṇa
 * Aleksandr Aleksandrovich Kruber
 * Wolfgang Krull
 * August Karl Krönig
 * Iurii Aleksandrovich Krutkov
 * Aleksei Nikolaevich Krylov
 * Nikolai Mitrofanovich Krylov
 * Jacob Kübel
 * Johannes Petrus Kuenen
 * Philip Henry Kuenen
 * August Karl Johann Valentin Köhler
 * Wolfgang Köhler
 * Alfred Kühn
 * Othmar Kühn
 * Richard Kuhn
 * Werner Kuhn
 * Wilhelm Friedrich Kühne
 * Ernst Eduard Kummer
 * Johann Kunckel
 * August Adolph Kundt
 * Arthur Künig
 * Emanuel König
 * Leo Königsberger
 * Moses Kunitz
 * Hisashi Kuno
 * Carl Sigismund Kunth
 * Carl Ernst Otto Kuntze
 * Kazimierz Kuratowski
 * Igor Vasilievich Kurchatov
 * Ferdinand Kurlbaum
 * Nikolai Semyonovich Kurnakov
 * József Kürschák
 * Abu' L-Ḥasan al-Jīlī Kushyār ibn Labbān ibn Bāshahrī
 * Friedrich Traugott Kützing
 * Johann Harald Kylin

?

 * Guy de La Brosse
 * Charles-Marie de La Condamine
 * Charles de La Faille
 * Gabriel-Philippe de La Hire
 * Philippe de La Hire
 * Julien Offray de La Mettrie
 * Arthur-Auguste de La Rive
 * Charles-Gaspard de La Rive
 * Estienne de La Roche
 * Nicolas-Louis de Lacaille
 * Félix-Joseph Henri de Lacaze-Duthiers
 * Bernard-Germain-Étienne De La Ville-Sur-Illon Lacépède
 * David Lambert Lack
 * Alfred Lacroix
 * Sylvestre François Lacroix
 * Albert Ladenburg
 * Rudolf Walther Ladenburg
 * Théophile-René-Hyacinthe Laennec
 * Thomas Fantet de Lagny
 * Joseph Louis Lagrange
 * Edmond Nicolas Laguerre
 * Joseph-Jérôme Lefrançais de Lalande
 * Lalla
 * Antoine de Lalouvère
 * Jean-Baptiste-Pierre-Antoine De Monet de Lamarck
 * Horace Lamb
 * Johann Heinrich Lambert
 * Gabriel Lamé
 * Jean-Claude de Lamétherie
 * Johann von Lamont
 * Jean Vincent Félix Lamouroux
 * Bernard Lamy
 * Guillaume Lamy
 * Rebecca Craighill Lancefield
 * Frederick William Lanchester
 * Giovanni Maria Lancisi
 * Michel Ange Lancret
 * Edmund Landau
 * Lev Davidovich Landau
 * John Landen
 * Hans Heinrich Landolt
 * Marsilio Landriani
 * Georg Landsberg
 * Grigory Samuilovich Landsberg
 * Karl Landsteiner
 * Alfred Church Lane
 * Jonathan Homer Lane
 * Arnold Lang
 * Karl Nikolaus Lang
 * William Henry Lang
 * Carl Georg Lange
 * Paul Langerhans
 * Paul Langevin
 * John Newport Langley
 * Samuel Pierpont Langley
 * Claude Langlois
 * Irving Langmuir
 * Michael Florent van Langren
 * Edwin Ray Lankester
 * Philip van Lansberge
 * Louis Lapicque
 * Pierre-Simon Marquis de Laplace
 * Albert-Auguste Cochon de Lapparent
 * Arthur Lapworth
 * Charles Lapworth
 * Bernardino Larghi
 * Karl Lark-Horovitz
 * Joseph Larmor
 * Esper Signius Larsen
 * Édouard Amant Isidore Hippolyte Lartet
 * Louis Lartet
 * Karl Spencer Lashley
 * William Lassell
 * Lāṭadeva
 * Wendell Mitchell Latimer
 * Pierre-André Latreille
 * Hans Emil Lau
 * Jakob Johann Laub
 * Max von Laue
 * André du Laurens
 * Auguste Laurent
 * Matthieu Paul Hermann Laurent
 * Pierre Alphonse Laurent
 * Aimé Laussedat
 * João Baptista Lavanha
 * Charles-Louis-Alphonse Laveran
 * Fritz H. Laves
 * Antoine-Laurent Lavoisier
 * Boris Innokentievich Lavrentiev
 * John Bennet Lawes
 * Ernest Orlando Lawrence
 * William Lawrence
 * Andrew Cowper Lawson
 * Gaspar Lax
 * Mikhail Petrovich Lazarev
 * Petr Petrovich Lazarev
 * Joseph Achille Le Bel
 * Max Julius Louis Le Blanc
 * Claude-Nicolas Le Cat
 * Henry Louis Le Châtelier
 * Félix Le Dantec
 * Anatole Félix Le Double
 * Nicaise Le Febvre
 * Jean Le Fèvre
 * Guillaume-Joseph-Hyacinthe-Jean-Baptiste Le Gentil de la Galaisière
 * Louis-Guillaume Le Monnier
 * Pierre-Charles Le Monnier
 * Constantin Le Paige
 * Jacques-François Le Poivre
 * Charles Le Roy
 * Édouard Le Roy
 * Jean-Baptiste Le Roy
 * Jacques-Alexandre Le Tenneur
 * Urbain-Jean-Joseph Le Verrier
 * Isaac Lea
 * Louis Seymour Bazett Leakey
 * Henrietta Swan Leavitt
 * Aleksandr Nikolaevich Lebedev
 * Petr Nikolaevich Lebedev
 * Sergei Vasilievich Lebedev
 * Vyacheslav Vasilievich Lebedinsky
 * Henri Léon Lebesgue
 * Nicolas Leblanc
 * Charles de L'Écluse
 * John Leconte
 * Joseph Leconte
 * Léon François Alfred Lecornu
 * Antoni van Leeuwenhoek
 * Solomon Lefschetz
 * Julien Jean César Legallois
 * Adrien-Marie Legendre
 * Urbain-Louis-Eugène Léger
 * Jean-Pierre Lehman
 * Johann Gottlob Lehmann
 * Otto Lehmann
 * Gottfried Wilhelm Leibniz
 * Joseph Leidy
 * Aleksandr Il'ich Leipunskii
 * Jacques Lemaire
 * Georges Lemaître
 * Louis Lemery
 * Nicolas Lemery
 * Émile Michel Hyacinthe Lemoine
 * Philipp Lenard
 * Vladimir Ilyich Lenin
 * John Edward Lennard-Jones
 * Emil Khristianovich Lenz
 * Leo
 * Leo the African
 * Leo the Mathematician
 * Leodamas of Thasos
 * Leonardo da Vinci
 * Karl Cäsar von Leonhard
 * Johann Gottfried Leonhardi
 * Nicolò Leoniceno
 * Ivan Ivanovich Lepekhin
 * Mathias Lerch
 * Dominique-Auguste Lereboullet
 * George-Louis Lesage
 * J. Peter Lesley
 * John Leslie
 * Stanislaw Leśniewski
 * Leo Lesquereux
 * René-Primevère Lesson
 * Charles-Alexandre Lesueur
 * Leucippus
 * Karl Georg Friedrich Rudolf Leuckart
 * Jean Leurechon
 * François Leuret
 * Constantin Levaditi
 * François Levaillant
 * Phoebus Aaron Theodor Levene
 * Frank Leverett
 * Levi Ben Gerson
 * Giuseppe Levi
 * Tullio Levi-Civita
 * Norman Levinson
 * Franz Yulevich Levinson-Lessing
 * Solomon Grigorevich Levit
 * Grigorii Andreevich Levitskii
 * Maurice Lévy
 * Serve-Dieu Abailard Lévy
 * Gilbert Newton Lewis
 * Thomas Lewis
 * Timothy Richards Lewis
 * William Lewis
 * Anders Johan Lexell
 * Leonid Samuilovich Leybenzon
 * Franz von Leydig
 * Charles Louis L'Héritier de Brutelle
 * Guillaume-François-Antoine de L'Hospital
 * Simon-Antoine-Jean L'Huillier
 * Edward Lhwyd
 * Li Chih
 * hao P'in-hu Li Shih-Chen
 * Li Siguang
 * Andreas Libavius
 * Eduardo Liceaga
 * Georg Christoph Lichtenberg
 * Marius Sophus Lie
 * Johannes Nathanael Lieberkühn
 * Carl Theodore Liebermann
 * Justus von Liebig
 * Joseph Xaver Liesganig
 * Joseph Lieutaud
 * Il'ia Mikhailovich Lifshits
 * Élie Antoine Octave Lignier
 * Frank Rattray Lillie
 * Thomas Linacre
 * James Lind
 * Bertil Lindblad
 * Carl von Linde
 * Ernst Leonhard Lindelöf
 * Carl Louis Ferdinand Lindemann
 * Frederick Alexander Lindemann
 * Bernhard August von Lindenau
 * Kaj Ulrik Linderstrøm-Lang
 * Waldemar Lindgren
 * John Lindley
 * Heinrich Friedrich Link
 * Carl Linnaeus
 * Iurii Vladimirovich Linnik
 * Joseph Liouville
 * Gabriel Jonas Lippmann
 * Rudolf Otto Sigismund Lipschitz
 * João de Lisboa
 * Jules Antoine Lissajous
 * Joseph Lister
 * Joseph Jackson Lister
 * Martin Lister
 * Fyodor Petrovich Litke
 * Clarence Cook Little
 * John Edensor Littlewood
 * Liu Hui
 * Burton Edward Livingston
 * Humphrey Lloyd
 * John Uri Lloyd
 * Nikolai Ivanovich Lobachevsky
 * Mathias de L'Obel
 * John Locke
 * Joseph Norman Lockyer
 * Oliver Joseph Lodge
 * Jacques Loeb
 * Leo Loeb
 * Friedrich August Johannes Loeffler
 * Otto Loewi
 * Charles Loewner
 * Alfred Loewy
 * James Logan
 * William Edmond Logan
 * Marie Joseph Maximin Lohest
 * Wilhelm Oswald Lohse
 * Vladimir Mikhaylovich Lokhtin
 * Mikhail Vasilievich Lomonosov
 * Fritz London
 * Heinz London
 * Cyril Norman Hugh Long
 * Adam Lonicerus
 * Dame Kathleen Yardley Lonsdale
 * William Lonsdale
 * Elias Loomis
 * Hendrik Antoon Lorentz
 * Hans Lorenz
 * Ludwig Valentin Lorenz
 * Richard Lorenz
 * Giuseppe Lorenzoni
 * Gino Loria
 * Anne Charles Lorry
 * Johann Joseph Loschmidt
 * Karl August Lossen
 * Alfred James Lotka
 * Jan Paulus Lotsy
 * Hermann Rudolph Lotze
 * Augustus Edward Hough Love
 * Arthur Oncken Lovejoy
 * John Harvey Lovell
 * Sven Lovén
 * Johann Tobias Lovits
 * Percival Lowell
 * Richard Lower
 * John William Lubbock
 * Richard Lubbock
 * Sir John Lubbock
 * François-Édouard-Anatole Lucas
 * Keith Lucas
 * Luigi Luciani
 * Lucretius
 * F. W. Hans Ludendorff
 * Carl Friedrich Wilhelm Ludwig
 * Jakob Lueroth
 * Maurice Lugeon
 * Vladimir Fedorovich Luginin
 * Georg Engelhardt von Löhneyss
 * Jan Łukasiewicz
 * Peter Ivanovich Lukirskii
 * Ramon Lull
 * Otto Richard Lummer
 * Emerico Luna
 * Georg Lunge
 * Amatus Lusitanus
 * Graham Lusk
 * Alessandro Lustig
 * C. Robert Luther
 * Leopold Löwenheim
 * Nikolai Nikolaievich Luzin
 * Aleksandr Mikhailovich Lyapunov
 * Charles Lyell
 * Benjamin Smith Lyman
 * Chester Smith Lyman
 * Theodore Lyman
 * Pierre Lyonet
 * Bernard Lyot
 * Trofim Denisovich Lysenko

?

 * Adriaan van Maanen
 * Archibald Byron Macallum
 * Robert Helmer MacArthur
 * Francis Sowerby Macaulay
 * David Macbride
 * Ernest William MacBride
 * James MacCullagh
 * John MacCulloch
 * Ernst Mach
 * Felix Karl Ludwig Machatschki
 * Michel Macheboeuf
 * Colin Maclaurin
 * John Maclean
 * Thomas Maclear
 * Colin Munro MacLeod
 * John James Rickard Macleod
 * William Maclure
 * Percy Alexander MacMahon
 * William Duncan Macmillan
 * Pierre Joseph Macquer
 * Ambrosius Theodosius Macrobius
 * Johann Heinrich Mädler
 * Lorenzo Magalotti
 * Cesare Magati
 * Jean-Hyacinthe de Magellan
 * François Magendie
 * Bartolomeo Maggi
 * Giovanni Antonio Magini
 * Raffaello Magiotti
 * Johann Chrysostom Magnenus
 * Valeriano Magni
 * Leonty Filippovich Magnitsky
 * Pierre Magnol
 * Heinrich Gustav Magnus
 * Rudolf Magnus
 * Adolf Magnus-Levy
 * Mahādeva
 * Abū ʿAbd Allāh Muḥammad ibn ʿĪsā al-Māhānī
 * Mahāvīra
 * Mahendra Sūri
 * Michael Maier
 * Albert Maige
 * Emanuel Maignan
 * Benoît de Maillet
 * Rabbi Moses Ben Maimon Maimonides
 * John Maior
 * Jean Jacques D'Ortous de Mairan
 * René-Charles-Joseph-Ernest Maire
 * Shihāb al-Dīn Aḥmad ibn Mājid ibn Mājid
 * Ettore Majorana
 * Abu'l-Qāsim Maslama ibn Aḥmad al-Faraḍī al-Majrītī
 * Abu'l-Ḥasan ʿAlī ibn ʿAbbās al-Majūsī
 * Makaranda
 * Stepan Osipovich Makarov
 * Nikolay Aleksandrovich Maksimov
 * Dmitry Dmitrievich Maksutov
 * Nicolas Malebranche
 * Chrétien-Guillaume de La-Moignon de Malesherbes
 * Gian Francesco Malfatti
 * Franklin Paine Mall
 * Ernest Mallard
 * Robert Mallet
 * Paul-Jacques Malouin
 * Marcello Malpighi
 * Thomas Robert Malthus
 * Anatoly Ivanovich Maltsev
 * Étienne Louis Malus
 * Giovanni Manardo
 * Leonid Isaakovich Mandelshtam
 * Eustachio Manfredi
 * Louis Alexandre Mangin
 * Marcus Manilius
 * Victor Mayer Amédée Mannheim
 * Paul Mansion
 * Patrick Manson
 * Abū Naṣr Manṣūr ibn ʿAlī ibn ʿIrāq
 * Paolo Mantegazza
 * Gideon Algernon Mantell
 * Shams al-Dīn Abū ʿAbdallāh Muḥammad ibn Aḥmad ibn Abī Bakr al-Bannāʾ al-Shāmī al-Maqdisī al-Bashshārī al-Maqdisī
 * Giacomo Filippo Maraldi
 * Richard Felix Marchand
 * Jean Marchant
 * Vittorio Marchi
 * Ettore Marchiafava
 * Leon Paweł Teodor Marchlewski
 * Johannes Marcus Marci of Kronland
 * Guglielmo Marconi
 * Jules Marcou
 * Étienne-Jules Marey
 * Emmanuel Marie Pierre Martin Jacquin de Margerie
 * Andreas Sigismund Marggraf
 * Max Margules
 * Pierre Marie
 * Jean Charles Galissard de Marignac
 * Marinus
 * Antoine Fortuné Marion
 * Edme Mariotte
 * Georg Markgraf
 * Clements Robert Markham
 * Andrei Andreevich Markov
 * Vladimir Vasilevich Markovnikov
 * Giovanni Marliani
 * John Richardson Marrack
 * Ernest Marsden
 * Othniel Charles Marsh
 * Luigi Ferdinando Marsili
 * Marsilius of Inghen de
 * Adolf Martens
 * Antonio de Martí Franqués
 * Martianus Capella
 * Benjamin Martin
 * Charles James Martin
 * Henry Newell Martin
 * Rudolf Martin
 * Crisóstomo Martínez
 * Francesco di Giorgio di Martini
 * Ignác Martinovics
 * Karl Friedrich Philipp von Martius
 * Emmanuel-Louis-Eugène de Martonne
 * David Forbes Martyn
 * Martin van Marum
 * Carl Shipp Marvel
 * Karl Marx
 * Paolo Mascagni
 * Éleuthère Élie Nicolas Mascart
 * Lorenzo Mascheroni
 * Francis Maseres
 * Māshāʾallāh
 * Nevil Maskelyne
 * Charles Mason
 * Niccolo Massa
 * Antoine-Philibert Masson
 * Samuel Ottmar Mast
 * Michael Mästlin
 * Abuʾul-ḤasanʿAlī ibn al-Ḥusayn ibn ʿAlī al-Masʿūdī
 * Kirtley Fletcher Mather
 * William Williams Mather
 * George Ballard Mathews
 * Émile Léonard Mathieu
 * Mathurānātha Śarman
 * Louis Matruchot
 * Carlo Matteucci
 * Augustus Matthiessen
 * Pietro Andrea Gregorio Mattioli
 * Motonori Matuyama
 * Charles Victor Mauguin
 * Edward Walter Maunder
 * François Émile Maupas
 * Pierre Louis Moreau de Maupertuis
 * Julius Maximilian Maurer
 * Fra Mauro
 * Francesco Maurolico
 * Antonia Caetana de Paiva Pereira Maury
 * Matthew Fontaine Maury
 * Sir Douglas Mawson
 * James Clerk Maxwell
 * Alfred Marshall Mayer
 * Christian Mayer
 * Christian Gustav Adolph Mayer
 * Johann Tobias Mayer
 * Julius Robert Mayer
 * Maria Goeppert Mayer
 * Karl Mayer-Eymar
 * Herbert Mayo
 * John Mayow
 * Simon Mayr
 * Stefan Mazurkiewicz
 * Waldo Lee McAtee
 * Clarence Erwin McClung
 * Hugh McColl
 * Elmer Verner McCollum
 * William Carmichael McIntosh
 * John Cunningham McLennan
 * Pierre-François-André Méchain
 * Johann Friedrich Meckel
 * Friedrich Casimir Medicus
 * Pedro de Medina
 * Fielding Bradford Meek
 * William Frederick Meggers
 * Robert Franklin Mehl
 * Oscar Edward Meinzer
 * Georg Meissner
 * Walther Meissner
 * Lise Meitner
 * Raphael Meldola
 * Edward Mellanby
 * Francisco de Mello
 * Macedonio Melloni
 * Samuel James Meltzer
 * Thomas Melvill
 * Luigi Federico Menabrea
 * Menaechmus
 * Johann Gregor Mendel
 * Lafayette Benedict Mendel
 * Dmitry Ivanovich Mendeleev
 * Egidio Meneghetti
 * Menelaus of Alexandria
 * Vincenzo Antonio Menghini
 * Pietro Mengoli
 * Nikolay Aleksandrovich Menshutkin
 * Jean Jacques Menuret de Chambaud
 * Hugues Charles Robert Méray
 * Michele Mercati
 * Gerardus Mercator
 * Nicolaus Mercator
 * Paul Dyer Merica
 * Christopher Merrett
 * Clinton Hart Merriam
 * John Campbell Merriam
 * Elmer Drew Merrill
 * George Perkins Merrill
 * Marin Mersenne
 * Jean Méry
 * Ivan Vsevolodovich Meshchersky
 * Franz Anton Mesmer
 * Félix Mesnil
 * Charles Messier
 * Ivan Illarionovich Mesyatsev
 * Elie Metchnikoff
 * Adriaen Metius
 * Meton
 * Georg Heinrich Mettenius
 * Hélène Metzger
 * Jean-Baptiste-Marie-Charles Meusnier de la Place
 * Franz Julius Ferdinand Meyen
 * Christian Erich Hermann von Meyer
 * Johann Friedrich Meyer
 * Julius Lothar Meyer
 * Kurt Heinrich Meyer
 * Victor Meyer
 * Wilhelm Franz Meyer
 * Otto Meyerhof
 * Émile Meyerson
 * Michael Scot
 * Arthur Michael
 * Leonor Michaelis
 * Peter Michaelis
 * André Michaux
 * Pier Antonio Micheli
 * Famiano Michelini
 * John Michell
 * Auguste Michel-Lévy
 * Albert Abraham Michelson
 * Ivan Vladimirovich Michurin
 * Aleksandr Fedorovich Middendorf
 * Thomas Midgley
 * Gustav Mie
 * Aldo Mieli
 * Henry Alexander Miers
 * Johann Friedrich Miescher
 * Mikhail Nikolaevich Miklukho-Maklay
 * Gaston Milhaud
 * John Stuart Mill
 * Dayton Clarence Miller
 * George Abram Miller
 * Hugh Miller
 * Philip Miller
 * William Allen Miller
 * William Hallowes Miller
 * William Lash Miller
 * Robert Andrews Millikan
 * Thomas Millington
 * Auguste-Nicolas-Eugène Millon
 * William Hobson Mills
 * Edward Arthur Milne
 * John Milne
 * Henri Milne-Edwards
 * Ernst Ferdinand Adolf Minding
 * Henri Mineur
 * Hermann Minkowski
 * Oskar Minkowski
 * Marcel Gilles Jozef Minnaert
 * Charles Sedgwick Minot
 * George Richards Minot
 * Friedrich Anton Wilhelm Miquel
 * Charles François Brisseau de Mirbel
 * Alfred Ezra Mirsky
 * Richard von Mises
 * Elisha Mitchell
 * Maria Mitchell
 * Silas Weir Mitchell
 * Eilhard Mitscherlich
 * Magnus Gustaf Mittag-Leffler
 * Alwin Mittasch
 * St. George Jackson Mivart
 * José Mariano Mociño
 * Conrad Moench
 * William of Moerbeke
 * William Of Guillelmus de Moerbeke
 * Thomas Moffett
 * Hugo von Mohl
 * Henrik Mohn
 * Andrija Mohorovičić
 * Carl Friedrich Mohr
 * Christian Otto Mohr
 * Georg Mohr
 * Friedrich Mohs
 * Nikolay Dmitrievich Moiseev
 * Ferdinand-Frédéric-Henri Moissan
 * Abraham de Moivre
 * Johann Jacob Paul Moldenhawer
 * Jacob Moleschott
 * Fedor Eduardovich Molin
 * Juan Ignacio Molina
 * Friedrich Rudolf Heinrich Carl Moll
 * Gerard Moll
 * Marin Molliard
 * Richard Mollier
 * Karl Brandan Mollweide
 * Samuel Molyneux
 * William Molyneux
 * Nicolás Bautista Monardes
 * Ludwig Mond
 * Mondino de'Luzzi
 * Gaspard Monge
 * Antoine-Grimoald Monnet
 * Jacques-Lucien Monod
 * Alexander Monro
 * Alexander (1697–1767) Monro
 * Alexander (1733–1817) Monro
 * Geminiano Montanari
 * Guidobaldo Monte
 * Paul Montel
 * Gustav Oscar Montelius
 * Charles-Louis de Secondat Montesquieu
 * Jacques-Philippe Mérigon de Montgéry
 * Étienne Jacques de Montgolfier
 * Edmund Duncan Montgomery
 * Thomas Harrison Montgomery
 * Henri Louis Habert de Montmor
 * Pierre Rémond de Montmort
 * Jean Étienne Montucla
 * Eliakim Hastings Moore
 * Joseph Haines Moore
 * Raymond Cecil Moore
 * Robert Lee Moore
 * William Moore
 * Jean-Pierre Morat
 * Sir Robert Moray
 * Louis Joel Mordell
 * Henry More
 * Léon Moret
 * Giovanni Battista Morgagni
 * Conwy Lloyd Morgan
 * Herbert Rollo Morgan
 * Thomas Hunt Morgan
 * Domenico Lino Morichini
 * Jean-Baptiste Morin
 * Robert Morison
 * Samuel Morland
 * Edward Williams Morley
 * Antonio-Lazzaro Moro
 * Georgy Fedorovich Morozov
 * Edward Sylvester Morse
 * Jedidiah Morse
 * Louis-Laurent Gabriel de Mortillet
 * John Morton
 * Samuel George Morton
 * Carl Gustaf Mosander
 * Henry Gwyn Jeffreys Moseley
 * William Lorenzo Moss
 * Angelo Mosso
 * Ottaviano Fabrizio Mossotti
 * Andrzej Mostowski
 * James Cecil Mottram
 * Ernest Barthélémy Mouchez
 * Ruth Moufang
 * Forest Ray Moulton
 * Théodore Florentin Moutard
 * Gabriel Mouton
 * August Ferdinand Möbius
 * Karl August Möbius
 * Muḥyi 'L-Dīn al-maghribī
 * Matthew Moncrieff Pattison Muir
 * Gerardus Johannes Mulder
 * Didrik Magnus Axel Möller
 * Franz Müller
 * Fritz Müller
 * Georg Elias Müller
 * Gustav Müller
 * Hermann Joseph Muller
 * Johann Müller
 * Johannes Peter Müller
 * Otto Frederik Müller
 * Paul Müller
 * Heinrich Müller-Breslau
 * Georg Wilhelm Muncke
 * Ernest Charles Philippe Auguste Munier-Chalmas
 * Munīśvara Viśvarūpa
 * Muñjāla
 * Sebastian Münster
 * Johannes von Muralt
 * Roderick Impey Murchison
 * James Bumgardner Murphy
 * George Robert Milne Murray
 * John Murray
 * David Mushet
 * Ivan Vasilievich Mushketov
 * Petrus van Musschenbroek
 * José Celestino Bruno Mutis y Bossio
 * Claude Mydorge
 * Claude Mylon

?

 * Carl Wilhelm von Naegeli
 * ʿAlāʾ al-Dīn Abu 'L-Ḥasan ʿAlī ibn Abi ʾL-Ḥazm al-Qurashī ibn al-Nafīs
 * Hantaro Nagaoka
 * Nāgeśa
 * Mark Aronovich Naimark
 * Edward Nairne
 * Sergey Semenovich Nametkin
 * Fridtjof Nansen
 * John Napier
 * Nārāyaṇa
 * ʿAlī ibn Aḥmad al-Nasawī
 * James Nasmyth
 * Władysław Natanson
 * Alfred Gabriel Nathorst
 * Giulio Natta
 * Charles Naudin
 * Alexander Naumann
 * Karl Friedrich Naumann
 * Sergey Gavrilovich Navashin
 * Claude-Louis-Marie-Henri Navier
 * Abu'l-ʿAbbās al-Faḍl ibn Ḥātim al-Nayrīzī
 * Michael Neander
 * Louis-Albert Necker
 * John Turberville Needham
 * Christian Gottfried Nees von Esenbeck
 * John Ulric Nef
 * Adelchi Negri
 * Alfred Nehring
 * Albert Ludwig Sigesmund Neisser
 * Aleksandr Ivanovich Nekrasov
 * Nemesius
 * Marceli Nencki
 * Antonio Neri
 * Hermann Walther Nernst
 * Eugen Netto
 * Otto Neubauer
 * Joseph Neuberg
 * Carl Gottfried Neumann
 * Caspar Neumann
 * Franz Ernst Neumann
 * Melchior Neumayr
 * Grigory Nikolaevich Neuymin
 * Rolf Herman Nevanlinna
 * Hugh Frank Newall
 * John Strong Newberry
 * Simon Newcomb
 * Thomas Newcomen
 * John Alexander Reina Newlands
 * Horatio Hackett Newman
 * George Newport
 * Edwin Tulley Newton
 * Hubert Anson Newton
 * Isaac Newton
 * Jerzy Neyman
 * Jean-François Niceron
 * John Spangler Nicholas
 * Ernest Fox Nichols
 * John William Nicholson
 * Seth Barnes Nicholson
 * William Nicholson
 * William Nicol
 * Friedrich Bernhard Gottfried Nicolai
 * Nicolaus of Damascus
 * Charles Jules Henri Nicolle
 * Nicomachus of Gerasa
 * Nicomedes
 * Jean Nicot
 * Carsten Niebuhr
 * Niels Nielsen
 * Joseph Niepce
 * Jean Louis Nicolas Niesten
 * Willem Nieuwenkamp
 * Bernard Nieuwentijt
 * Julius Arthur Nieuwland
 * Agostino Nifo
 * Paul Niggli
 * Sergey Nikolaevich Nikitin
 * Viktor Arsenievich Nikolaev
 * Nīlakaṇṭha
 * Herman Nilsson-Ehle
 * Yoshio Nishina
 * Franz Nissl
 * Alfred Bernhard Nobel
 * Friedrich Adolph Nobert
 * Leopoldo Nobili
 * Gladwyn Kingsley Noble
 * Walter Noddack
 * Étienne Noël
 * Amalie Emmy Noether
 * Max Noether
 * Hideyo Noguchi
 * Jean-Antoine Nollet
 * Adolf Erik Nordenskiöld
 * Nils Erik Nordenskiöld
 * Robert Norman
 * John Pitkin Norton
 * Richard Norwood
 * Michael de Nostradamus
 * Domenico Maria Novara
 * Petr Sergeevich Novikov
 * Frederick George Novy
 * Arthur Amos Noyes
 * William Albert Noyes
 * Boris Vasilievich Numerov
 * Pedro Nuñez Salaciense
 * Ernst Kraft Wilhelm Nusselt
 * Thomas Nuttall
 * Fredrik Nylander
 * William Nylander

?

 * Vladimir Afanasievich Obruchev
 * Philbert Maurice d'Ocagne
 * Carl Ochsenius
 * William of Ockham
 * Ruggero Oddi
 * Gioanbatista Odierna
 * William Odling
 * Oenopides of Chios
 * Hans Christian Oersted
 * Georg Simon Ohm
 * Lorenz Oken
 * Olaus Magnus
 * Heinrich Wilhelm Matthias Olbers
 * Henry Oldenburg
 * Richard Dixon Oldham
 * Thomas Oldham
 * George Oliver
 * Karol Stanisław Olszewski
 * Christian Friis Rottbøll Olufsen
 * Olympiodorus
 * Jean Baptiste Julien d'Omalius d'Halloy
 * Fusakichi Omori
 * Lars Onsager
 * Aleksandr Ivanovich Oparin
 * Albert Oppel
 * Samuel Oppenheim
 * J. Robert Oppenheimer
 * Theodor Ritter von Oppolzer
 * Leon Abgarovich Orbeli
 * Alcide Charles Victor Dessalines d'Orbigny
 * Jean Orcel
 * Nicole Oresme
 * Oribasius
 * Aleksandr Yakovlevich Orlov
 * Sergey Vladimirovich Orlov
 * Yuri Aleksandrovich Orlov
 * Leonard Salomon Ornstein
 * Garcia d'Orta
 * Juan de Ortega
 * Abraham Ortelius
 * James Orton
 * Henry Fairfield Osborn
 * Thomas Burr Osborne
 * William Fogg Osgood
 * Andreas Osiander
 * Floris Osmond
 * Winthrop John Vanleuven Osterhout
 * Mikhail Vasilievich Ostrogradsky
 * Carl Wilhelm Wolfgang Ostwald
 * Friedrich Wilhelm Ostwald
 * Isaac Ott
 * Corneille Antoine Jean Abram Oudemans
 * William Oughtred
 * Réginald Outhier
 * Charles Ernest Overton
 * David Dale Owen
 * George Owen
 * Richard Owen
 * Jacques Ozanam
 * Aleksandr Dmitrievich Ozersky

?

 * Antonio Pacchioni
 * Filippo Pacini
 * Antonio Pacinotti
 * Luca Pacioli
 * Alpheus Spring Packard
 * Alessandro Padoa
 * Giuseppe Pagano
 * Paul Painlevé
 * Theophilus Shickel Painter
 * William Paley
 * Johann Palisa
 * Bernard Palissy
 * Aleksandr Vladimirovich Palladin
 * Vladimir Ivanovich Palladin
 * Pyotr Simon Pallas
 * Edward Palmer
 * François Marie Guyonneau de Pambour
 * Christian Heinrich Pander
 * Friedrich Adolf Paneth
 * Antonie Pannekoek
 * Nikolai Dmitrievich Papaleksi
 * George Nicholas Papanicolaou
 * Denis Papin
 * Pappus of Alexandria
 * Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
 * Parameśvara
 * Ignace Gaston Pardies
 * Ambroise Paré
 * Pavel Petrovich Parenago
 * Antoine Parent
 * John Adelbert Parkhurst
 * James Parkinson
 * Sydney Parkinson
 * Parmenides of Elea
 * Antoine-Augustin Parmentier
 * Jakub Karol Parnas
 * Marc-Antoine Parseval des Chênes
 * William Parsons
 * James Riddick Partington
 * Blaise Pascal
 * Étienne Pascal
 * Moritz Pasch
 * Louis Carl Heinrich Friedrich Paschen
 * Louis Pasteur
 * Francesco Patrizi
 * John Thomas Patterson
 * Paul of Aegina
 * Paul of Alexandria
 * Paul of Venice
 * Wolfgang Pauli
 * Pauliśa
 * Simon Paulli
 * August Pauly
 * Aleksei Petrovich Pavlov
 * Ivan Petrovich Pavlov
 * José Antonio Pavón y Jiménez
 * Anselme Payen
 * Gustaf Paykull
 * Fernandus Payne
 * George Peacock
 * Charles Willson Peale
 * Rembrandt Peale
 * Titian Ramsay Peale
 * Léon Péan de Saint-Gilles
 * Giuseppe Peano
 * Raymond Pearl
 * George Pearson
 * Karl Pearson
 * Francis Gladhelm Pease
 * John Pecham
 * Jean Pecquet
 * George Braxton Pegram
 * Benjamin Peirce
 * Benjamin Osgood Peirce
 * Charles Sanders Peirce
 * Nicolas Claude Fabri de Peiresc
 * Cornelis Adrianus Pekelharing
 * Jacques Peletier
 * John Pell
 * Bertrand Pelletier
 * Pierre-Joseph Pelletier
 * Théophile-Jules Pelouze
 * Jean Charles Athanase Peltier
 * Henry Pemberton
 * Albrecht Penck
 * Walther Penck
 * Thomas Pennant
 * Frederick Penny
 * Antonio Pensa
 * John Percy
 * Benedictus Pereira
 * Duarte Pacheco Pereira
 * Joseph Jean Camille Pérès
 * Bernardo Pérez de Vargas
 * William Henry Perkin
 * William Henry Jr. Perkin
 * François Péron
 * Jean-Baptiste Gaspard Gustav Alfred Pérot
 * Claude Perrault
 * Pierre Perrault
 * Edmond Perrier
 * Georges Perrier
 * Jean-Baptiste Perrin
 * Charles Dillon Perrine
 * Edoardo Perroncito
 * Jean-Rodolphe Perronet
 * Henri Joseph Anastase Perrotin
 * Perseus
 * Jacques Personne
 * Christiaan Hendrik Persoon
 * Jean-François Persoz
 * Pierre de Peter Peregrinus
 * Petrus Peter Philomena of Dacia
 * Carl F. W. Peters
 * Christian August Friedrich Peters
 * Christian Heinrich Friedrich Peters
 * Julius Petersen
 * Karl Mikhailovich Peterson
 * Alexis Thérèse Petit
 * Pierre Petit
 * Pseudo-Petosiris
 * William Petrie
 * Nikolay Pavlovich Petrov
 * Vasily Vladimirovich Petrov
 * Ivan Georgievich Petrovsky
 * Petrus Bonus
 * Max Josef von Pettenkofer
 * Hans Pettersson
 * William Petty
 * Georg Peurbach
 * Bernhard Peyer
 * Johann Conrad Peyer
 * Jean André Peyssonnel
 * Albert Pezard
 * Esprit Pezenas
 * Johann Friedrich Pfaff
 * Max Jakob Pfannenstiel
 * Wilhelm Friedrich Philipp Pfeffer
 * Paul Pfeiffer
 * Eduard Friedrich Wilhelm Pflüger
 * Philinus of Cos
 * Alexander Philips Wilson Philip
 * John Phillips
 * Theodore Evelyn Reece Phillips
 * William Phillips
 * Philo of Byzantium
 * Philolaus of Crotona
 * Giuseppe Pianese
 * Giuseppe Piazzi
 * Charles Émile Picard
 * Jean Picard
 * Auguste Piccard
 * Arcangelo Piccolomini
 * Edward Charles Pickering
 * William Henry Pickering
 * Marc-Auguste Pictet
 * Raoul-Pierre Pictet
 * George Washington Pierce
 * Mario Pieri
 * Louis-Édouard-Stanislas Piette
 * Edward Pigott
 * Jean François Pilatre de Rozier
 * Salvatore Pincherle
 * Gregory Goodwin Pincus
 * Philippe Pinel
 * Alexandre-Gui Pingré
 * Tomé Pires
 * Muḥyī al-Dīn Pirī Rais
 * Nikolay Ivanovich Pirogov
 * Willem Piso
 * Archibald Pitcairn
 * Bartholomeo Pitiscus
 * Henri Pitot
 * Augustus Henry Lane Fox Pitt-Rivers
 * George Placzek
 * Giovanni Plana
 * Max Karl Ernst Ludwig Planck
 * Maximus Planudes
 * John Stanley Plaskett
 * Ludwig Hermann Plate
 * Joseph Antoine Ferdinand Plateau
 * Plato
 * Plato of Tivoli
 * Félix Platter
 * Karl Friedrich Plattner
 * John Playfair
 * Lyon Playfair
 * Marcus Antonius Plenčič
 * Pliny
 * Robert Plot
 * Plotinus
 * Noël-Antoine Pluche
 * Julius Plücker
 * Charles Plumier
 * Andrew Plummer
 * Henry Crozier Plummer
 * Johann Christian Poggendorff
 * Antoine-Baudoin Poggiale
 * Robert Wichard Pohl
 * Jules-Henri Poincaré
 * Louis Poinsot
 * Jean Léonard Marie Poiseuille
 * Simeon-Denis Poisson
 * Pierre Poivre
 * Mihály Polányi
 * Giovanni Poleni
 * Giuseppe Saverio Poli
 * Pierre Polinière
 * Aloys Pollender
 * Isaak Iakovlevich Pomeranchuk
 * Pietro Pomponazzi
 * Pomponius Mela
 * Jean Victor Poncelet
 * Jean-Louis Pons
 * Giulio Pontedera
 * Charles Lane Poor
 * William Jackson Pope
 * Aleksandr Nikiforivich Popov
 * Aleksandr Stepanovich Popov
 * Platon Sergeevich Poretsky
 * Ignazio Porro
 * Giambattista Della Porta
 * Luigi Porta
 * Antoine Portal
 * Albert Marcel Germain René Portevin
 * Paul Portier
 * Franz Pošepný
 * Posidonius
 * Emil Leon Post
 * Grigory Nikolaevich Potanin
 * Johann Heinrich Pott
 * Félix-Archimède Pouchet
 * Claude-Servais-Mathias Pouillet
 * Edward Bagnall Poulton
 * François Pourfour du Petit
 * Louis François de Pourtalès
 * Karl Rudolph Powalky
 * Baden Powell
 * Cecil Frank Powell
 * John Wesley Powell
 * Frederick Belding Power
 * Henry Power
 * John Henry Poynting
 * Ludwig Prandtl
 * Frederick Haven Pratt
 * John Henry Pratt
 * Praxagoras of Cos
 * Fritz Pregl
 * Karel Boriwoj Presl
 * Joseph Prestwich
 * Isaac-Bénédict Prévost
 * Jean-Louis Prevost
 * Louis-Constant Prévost
 * Pierre Prevost
 * Thierry William Preyer
 * James Cowles Prichard
 * John Gillies Priestley
 * Joseph Priestley
 * John Pringle
 * Alfred Pringsheim
 * Ernst Pringsheim
 * Nathanael Pringsheim
 * Charles Pritchard
 * Ivan Ivanovich Privalov
 * Joseph Privat de Molières
 * Georgius Procháska
 * Proclus
 * Richard Anthony Proctor
 * Gaspard-François-Clair-Marie Riche de Prony
 * Joseph Louis Proust
 * William Prout
 * Stanislaus von Lanov Prowazek
 * Theophil Mitchell Prudden
 * Franz Ignace Pruner Bey
 * Pierre Eugène Marie Joseph Pruvost
 * Dmitry Nikolaevich Pryanishnikov
 * Nikolay Mikhaylovich Przhevalsky
 * Michael Psellus
 * Claudius Ptolemy
 * Victor Puiseux
 * Carl Pulfrich
 * Raphael Pumpelly
 * Reginald Crundall Punnett
 * Michael Idvorsky Pupin
 * Thomas Purdie
 * Jan Evangelista Purkyně
 * Frederick Pursch
 * Frederic Ward Putnam
 * Pythagoras of Samos
 * Pytheas of Massalia

?

 * Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUthmān ibn ʿAlī al-Qabīṣī
 * Qāḍī Zāda al-Rūmī
 * Abu'l-ḥasan ʿAlī ibn Muḥammad ibn ʿAlī al-Qalaṣādī
 * Zakariyā ibn Muḥammad ibn Maḥmūd Abū Yaḥyā al-Qazwīnī
 * Jean-Louis-Armand de Quatrefages de Bréau
 * Friedrich Quenstedt
 * Lambert-Adolphe-Jacques Quetelet
 * Amīn al-Dawlah Abū al-Faraj ibn Muwaffaq al-Dīn YaʿQūb ibn Isḥāq al-Masīhī al-Karakī ibn al-Quff
 * Abū Sahl Wayjan ibn Rustam al-Qūhī
 * Georg Hermann Quincke
 * Jean-René-Constant Quoy
 * Qusṭā ibn Lūqā al-Baʿlabakkī
 * Abū Muḥammad ʿAbdallāh ibn Muslim al-Dīnawarī al-Jabalī ibn Qutayba
 * Quṭb al-Dīn al-Shīrāzī

?

 * François Rabelais
 * Cari Rabl
 * Hans Rademacher
 * Emanuel Rádl
 * Tibor Radó
 * Johann Radon
 * Thomas Stamford Bingley Raffles
 * Constantine Samuel Rafinesque
 * Rāghavānanda Śarman
 * Chandrasekhara Venkata Raman
 * Srinivasa Aaiyangar Ramanujan
 * Jean Baptiste Rames
 * Karl Rammelsberg
 * Santiago Ramón y Cajal
 * Gaston Ramon
 * Louis François Élisabeth Ramond de Carbonnières
 * Carl Wilhelm Ramsauer
 * Andrew Crombie Ramsay
 * William Ramsay
 * Lewis Stephen Ramsdell
 * Jesse Ramsden
 * Frank Plumpton Ramsey
 * Peter Ramus
 * Alexander Oliver Rankine
 * William John Macquorn Rankine
 * Louis-Antoine Ranvier
 * Arthur Cowper Ranyard
 * François Marie Raoult
 * François-Vincent Raspail
 * Rudolf Erich Raspe
 * Auguste Camille Edmond Rateau
 * Martin Heinrich Rathke
 * Friedrich Ratzel
 * Jules Raulin
 * Leonhard Rauwolf
 * John Ray
 * Prafulla Chandra Ray
 * Georges Antoine Pons Rayet
 * Raymond of Marseilles
 * Percy Edward Raymond
 * Abū Bakr Muḥammad ibn Zakariyyā al-Rāzī
 * Andrei Mikhailovich Razmadze
 * Raganātha
 * René-Antoine Ferchault de Réaumur
 * Hans Reck
 * Élisée Reclus
 * Robert Recorde
 * William C. Redfield
 * Francesco Redi
 * Pierre-Joseph Redouté
 * Ferdinand Jakob Redtenbacher
 * Ferdinand Reech
 * Walter Reed
 * Erich Rudolph Alexander Regener
 * Johannes Regiomontanus
 * Henri Victor Regnault
 * Georg Friedrich von Reichenbach
 * Hans Reichenbach
 * Karl Reichenbach
 * Karl Bogislaus Reichert
 * Harry Fielding Reid
 * Kurt Werner Friedrich Reidemeister
 * Johann Christian Reil
 * Erasmus Reinhold
 * Robert Remak
 * Ira Remsen
 * Alphonse François Renard
 * Bernard Renault
 * Joseph-Louis Renaut
 * Eugène Renevier
 * James Rennell
 * Otto Renner
 * Alfréd Rényi
 * Adolf Repsold
 * Lorenzo Respighi
 * Anders Adolf Retzius
 * Magnus Gustaf Retzius
 * Franz Reuleaux
 * August Emanuel Reuss
 * Franz Ambrosius Reuss
 * Julio Rey Pastor
 * Abel Rey
 * Jean Rey
 * Theodor Reye
 * Francisco de la Reyna
 * Charles René Reyneau
 * Osborne Reynolds
 * Anton Maria Schyrlaeus de Rheita
 * George Joachim Rheticus
 * Albert Ribaucour
 * Carlos Ribeiro Santos
 * Jacopo Francesco Riccati
 * Vincenzo Riccati
 * Matteo Ricci
 * Michelangelo Ricci
 * Ostilio Ricci
 * Gregorio Ricci-Curbastro
 * Giambattista Riccioli
 * Annibale Riccò
 * Richard of Wallingford
 * Jules Antoine Richard
 * Louis Paul Émile Richard
 * Alfred Newton Richards
 * Francis John Richards
 * Theodore William Richards
 * Benjamin Ward Richardson
 * Owen Willans Richardson
 * Jean Richer
 * Charles Robert Richet
 * Georg Wilhelm Richmann
 * Jeremias Benjamin Richter
 * Ferdinand von Richthofen
 * Floyd Karker Richtmyer
 * Howard Taylor Ricketts
 * Oscar Riddle
 * Eric Keightley Rideal
 * Robert Ridgway
 * Abū'l-Ḥasan ʿAlī ibn ʿAlī ibn Jaʿafar al-Miṣrī ibn Riḍwān
 * Eduard Riecke
 * Georg Friedrich Bernhard Riemann
 * Adam Ries
 * Frigyes Riesz
 * Marcel Riesz
 * Augusto Righi
 * Tommaso Rima
 * Sydney Ringer
 * Sven Rinman
 * Andrés Manuel del Río
 * Pío del Río-Hortega
 * Jean Riolan
 * Friedrich Risner
 * Ristoro
 * George Willis Ritchey
 * Joseph Fels Ritt
 * David Rittenhouse
 * Johann Wilhelm Ritter
 * William Emerson Ritter
 * Karl Heinrich Ritthausen
 * Walter Ritz
 * Scipione Riva-Rocci
 * Albert Cherbury David Rivett
 * Émile-Valère Rivière de Précourt
 * Isaac Roberts
 * William Chandler Roberts-Austen
 * Gilles Personne de Roberval
 * Charles-Phillipe Robin
 * Jean-Baptiste René Robinet
 * Benjamin Robins
 * Abraham Robinson
 * Pierre-Jean Robiquet
 * John Robison
 * Édouard Albert Roche
 * John Roebuck
 * Ferdinand Roemer
 * Friedrich Adolph Roemer
 * August Johann Roesel von Rosenhof
 * Roger of Hereford
 * Henry Darwin Rogers
 * Jacques Rohault
 * Karl Rohn
 * Luigi Rolando
 * Guerner Rolfinck
 * Michel Rolle
 * George Rolleston
 * Joseph-Pierre-Martin Rollet
 * George John Romanes
 * Jean-Baptiste Louis Romé de L'Isle
 * Alfred Sherwood Romer
 * Eugeniusz Mikołaj Romer
 * Guillaume Rondelet
 * Ogden Nicholas Rood
 * Lawrence Rooke
 * Adriaan van Roomen
 * Hendrik Willem Bakhuis Roozeboom
 * Daniele Rosa
 * Jakob Rosanes
 * Henry Enfield Roscoe
 * Gustav Rose
 * Heinrich Rose
 * Hans Oswald Rosenberg
 * Johann Karl Ferdinand Rosenberger
 * Otto August Rosenberger
 * Arturo Rosenblueth
 * Harry Rosenbusch
 * Johann Georg Rosenhain
 * Walter Rosenhain
 * Arthur Rosenheim
 * Frank Elmore Ross
 * James Clark Ross
 * Ronald Ross
 * Carl-Gustav Arvid Rossby
 * Francesco Rossetti
 * Roger James Rossiter
 * Léon Louis Rostan
 * Jean Cyrus Rostand
 * Justus Ludwig Adolph Roth
 * Christoph Rothmann
 * Guillaume-François Rouelle
 * Hilaire-Marin Rouelle
 * Jean Rouelle
 * Charles Marie Benjamin Rouget
 * Francis John Worsley Roughton
 * Karl Frantsovich Rouillier
 * Edward John Routh
 * Pierre Paul Émile Roux
 * Wilhelm Roux
 * Gaetano Rovereto
 * Allan Winter Rowe
 * Henry Augustus Rowland
 * John Rowning
 * Dmitry Sergeevich Rozhdestvensky
 * Heinrich Rubens
 * Max Rubner
 * Olof Rudbeck
 * Reinhold Rüdenberg
 * Ferdinand Rudio
 * Christoff Rudolff
 * Karl Asmund Rudolphi
 * Rudolf Ruedemann
 * Jean Ruel
 * Marc Armand Ruffer
 * Angelo Ruffini
 * Paolo Ruffini
 * Giordano Ruffo
 * Rufinus
 * Rufus of Ephesus
 * Heinrich Daniel Rühmkorff
 * Carlo Ruini
 * Hipólito Ruiz
 * Martin Ruland
 * Ulrich Rülein
 * Ole Christensen Rømer
 * Stepan Yakolevich Rumovsky
 * Carl David Tolmé Runge
 * Friedlieb Ferdinand Runge
 * Wilhelm Conrad Röntgen
 * Girolamo Ruscelli
 * Benjamin Rush
 * Abu'l-Walīd Muḥammad ibn Aḥmad ibn Muḥammad ibn Rushd
 * Bertrand Arthur William Russell
 * Edward John Russell
 * Henry Chamberlaine Russell
 * Henry Norris Russell
 * Richard Joel Russell
 * Daniel Rutherford
 * Ernest Rutherford
 * Lewis Morris Rutherfurd
 * Karl Ludwig Rütimeyer
 * Martin Gerard Rutten
 * Frederik Ruysch
 * Leopold Ružička
 * Johannes Rydberg

?

 * Armand Sabatier
 * Paul Sabatier
 * Florence Rena Sabin
 * Edward Sabine
 * Paul Earls Sabine
 * Wallace Clement Ware Sabine
 * Girolamo Saccheri
 * Luigi Sacco
 * Julius von Sachs
 * Johannes de Sacrobosco
 * Balthazar-Georges Sage
 * Georges M. M. Sagnac
 * Meghnad Saha
 * Gregorius Saint Vincent
 * Augustin François César Prouvençal de Saint-Hilaire
 * Adhémar Jean Claude Barré de Saint-Venant
 * Shoichi Sakata
 * Vladimir Vladimirovich Sakharov
 * Stanislaw Saks
 * Angelo Sala
 * Raphaël Salem
 * Salernitan Anatomists
 * Rollin Daniel Salisbury
 * Denys de Sallo
 * George Salmon
 * Carl Julius Salomonsen
 * Ippolito Salviani
 * Najīb al-Dīn Abū Ḥāmid Muḥammad ibn ʿAlī ibn ʿUmar al-Samarqandī
 * Shams al-Dīn Muḥammad ibn Ashraf al-Ḥusaynī al-Samarqandī
 * Ibn Yaḥyā al-Maghribī al-Samawʾal
 * Aleksandr Filippovich Samoylov
 * Ralph Allen Sampson
 * Giuseppe Sanarelli
 * Francisco Sanchez
 * Ezra Dwight Sanderson
 * Karl Gustav Sanio
 * Giovanni Domenico Santorini
 * Santorio Santorio
 * Louis Charles Joseph Gaston de Saporta
 * Paolo Sarpi
 * Michael Sars
 * George Alfred Léon Sarton
 * Gavriil Andreevich Sarychev
 * Śatānanda
 * Satō Nobuhiro
 * Frederick Albert Saunders
 * Joseph Saurin
 * Horace Bénédict de Saussure
 * Nicolas-Théodore de Saussure
 * Camille-François Sauvageau
 * Albert Sauveur
 * Joseph Sauveur
 * Leonard Jimmie Savage
 * Félix Savart
 * Marie-Jules-César Lelorgne de Savigny
 * Karl Sax
 * Joseph Saxton
 * Thomas Say
 * Julius Caesar Scaliger
 * Antonio Scarpa
 * George Scatchard
 * John Martin Schaeberle
 * Wilhelm Schäfer
 * John Frank Schairer
 * Hans Schardt
 * Juliusz Pawel Schauder
 * Fritz Richard Schaudinn
 * Carl Wilhelm Scheele
 * Henry Scheffé
 * Georg Scheffers
 * Jakob Schegk
 * Christoph Scheiner
 * Julius Scheiner
 * Frederick Wilhelm Joseph von Schelling
 * Paul Hermann Scherrer
 * Johann Jakob Scheuchzer
 * Giovanni Virginio Schiaparelli
 * Wilhelm Schickard
 * Hugo Josef Schiff
 * Leonard Isaac Schiff
 * Moritz Schiff
 * Andreas Franz Wilhelm Schimper
 * Karl Friedrich Schimper
 * Wilhelm Philipp Schimper
 * Hans Carl Frederik Christian Schjellerup
 * Ludwig Schläfli
 * Jacob Mathias Schleiden
 * Frank Schlesinger
 * Friedrich Albert Schlick
 * Heinrich Schliemann
 * Ernst Friedrich Schlotheim
 * Charles Schlumberger
 * Philippe-Charles Schmerling
 * Casimir Christoph Schmidel
 * Bernhard Voldemar Schmidt
 * Carl August von Schmidt
 * Erhard Schmidt
 * Ernst Johannes Schmidt
 * Gerhard Carl Nathaniel Schmidt
 * Johann Friedrich Julius Schmidt
 * Karl Patterson Schmidt
 * Johann Ernst Schmiedeberg
 * Friedrich Anton Schneider
 * Hans Schneiderhöhn
 * Arthur Moritz Schoenflies
 * Rudolf Schoenheimer
 * Basil Ferdinand Jamieson Schonland
 * Henry Rowe Schoolcraft
 * Frans van Schooten
 * William-Henri Schopfer
 * Carl Schorlemmer
 * Charles Anthony Schott
 * Gaspar Schott
 * Otto Friedrich Schott
 * Friedrich Hermann Schottky
 * Pieter Hendrik Schoute
 * Jan Arnoldus Schouten
 * Joakim Frederik Schouw
 * Franz Schrader
 * Karl Schreibers
 * Jacobus Ludovicus Conradus Schroeder van der Kolk
 * Heinrich Eduard Schroeter
 * Friedrich Wilhelm Karl Ernst Schröder
 * Erwin Schrödinger
 * Johann Hieronymus Schröter
 * Anton von Schrötter
 * Hermann Cäsar Hannibal Schubert
 * Charles Schuchert
 * Max Johann Sigismund Schultze
 * Franz Ferdinand Schulze
 * Heinrich Christian Schumacher
 * Victor Schumann
 * Christian Friedrich Schönbein
 * Henry Edward Schunck
 * Johannes Schöner
 * Eduard Schönfeld
 * Carl Johan Schünherr
 * Johann Lucas Schönlein
 * Issai Schur
 * Arthur Schuster
 * Samuel Heinrich Schwabe
 * Theodor Ambrose Hubert Schwann
 * Hermann Amandus Schwarz
 * Gerold Karl Schwarzenbach
 * Karl Schwarzschild
 * Johann Salomo Christoph Schweigger
 * Ferdinand Karl Schweikart
 * Simon Schwendener
 * Agostino Scilla
 * Philip Lutley Sclater
 * Dukinfield Henry Scott
 * William Berryman Scott
 * George Julius Poulett Scrope
 * Samuel Hubbard Scudder
 * Frederick Hanley Seares
 * Angelo Secchi
 * Ivan Mikhaylovich Sechenov
 * Johannes Jakob Sederholm
 * Adam Sedgwick
 * Georgy Yakovlevich Sedov
 * Thomas Jefferson Jackson See
 * Thomas Seebeck
 * Hugo von Seeliger
 * János-András Segner
 * Corrado Segre
 * Armand Séguin
 * Marc Seguin
 * Philipp Ludwig von Seidel
 * Takakazu Seki
 * Edmund Selous
 * Alfred Richard Cecil Selwyn
 * Ignaz Philipp Semmelweis
 * Richard Wolfgang Semon
 * Carl Gottfried Semper
 * Petr Petrovich Semyonov-Tyan-Shansky
 * Jean-Baptiste Senac
 * Henri Hureau de Sénarmont
 * Michael Sendivogius
 * Jean Senebier
 * Lucius Annaeus Seneca
 * Daniel Sennert
 * Aleksandr Sergeevich Serebrovskii
 * Serenus
 * Edmond Sergent
 * Marcel Pierre Toussaint de Serres de Mesplès
 * Antoine Étienne Reynaud Augustin Serres
 * Olivier de Serres
 * Joseph Alfred Serret
 * Enrico Sertoli
 * Friedrich Wilhelm Adam Ferdinand Sertürner
 * Georges-Simon Serullas
 * Michael Servetus
 * François-Joseph Servois
 * Martín de Sessé y Lacasta
 * William Albert Setchell
 * Vasily Mikhaylovich Severgin
 * Francesco Severi
 * Christian Severin
 * Marco Aurelio Severino
 * Petrus Severinus
 * Aleksey Nikolaevich Severtsov
 * Albert Charles Seward
 * Sextus Empiricus
 * Katsutada Sezawa
 * Jeremy Shakerley
 * Nathaniel Southgate Shaler
 * William Shanks
 * Harlow Shapley
 * Vsevolod Vasilievich Sharonov
 * William Sharpey
 * Edward Albert Sharpey-Schäfer
 * Robert Sharrock
 * ʿĀlāʾ al-Dīn Abu'l-Ḥasan ʿAlī ibn Ibrāhīm ibn al-Shāṭir
 * Samuil Osipovich Shatunovsky
 * Peter Shaw
 * William Napier Shaw
 * Grigory Abramovich Shayn
 * Victor Ernest Shelford
 * Mikhail Mikhailovich Shemiakin
 * Shen Kua
 * Philip MacDonald Sheppard
 * William Sherard
 * Charles Scott Sherrington
 * Walter Andrew Shewhart
 * Harumi Shibukawa
 * Nikolay Aleksandrovich Shilov
 * Anania Shirakatsí
 * Tadao Shizuki
 * Ivan Ivanovich Shmalhauzen
 * Lev Genrikhovich Shnirelman
 * Yuly Mikhaylovich Shokalsky
 * James Short
 * Vladimir Borisovich Shtokman
 * Alexei Vasilievich Shubnikov
 * Aaron Franklin Shull
 * Nevil Vincent Sidgwick
 * Carl Theodor Ernst von Siebold
 * Henry Friedrich Wilhelm Siedentopf
 * Michal Siedlecki
 * Karl Manne Georg Siegbahn
 * Carl Ludwig Siegel
 * Charles William Siemens
 * Ernst Werner von Siemens
 * Waclaw Sierpiński
 * Joseph-Aignan Sigaud de Lafond
 * Siger of Brabant
 * Pierre Sigorgne
 * Carlos de Sigüenza y Góngora
 * Abū Saʿīd Aḥmad ibn Muḥammad ibn ʿAbd al-Jalīl al-Sijzī
 * Benjamin Silliman
 * Benjamin Jr. Silliman
 * Simon de Phares
 * Franz Eugen Simon
 * Simplicius
 * Thomas Simpson
 * Robert Simson
 * Abū ʿAlī al-Ḥusayn ibn ʿAbdallāh ibn Sīnā
 * Abū Saʿīd Sinān ibn Thābit ibn Qurra
 * Willem de Sitter
 * Josef Škoda
 * Albert Thoralf Skolem
 * Zdenko Hans Skraup
 * Konstantin Ivanovich Skryabin
 * John Clarke Slater
 * Louis Byrne Slichter
 * Earl C. Slipher
 * Vesto Melvin Slipher
 * Sir Hans Sloane
 * René-François de Sluse
 * Evgeny Evgenievich Slutsky
 * John Smeaton
 * Adolf Gustav Stephan Smekal
 * Edgar Fahs Smith
 * Edward Smith
 * Erwin Frink Smith
 * Henry John Stephen Smith
 * Homer William Smith
 * James Edward Smith
 * Philip Edward Smith
 * Robert Smith
 * Robert Angus Smith
 * Sidney Irving Smith
 * Theobald Smith
 * William Smith
 * Wilson Smith
 * Arthur Smithells
 * James Louis Macie Smithson
 * Andreas Smits
 * Marian Smoluchowski
 * Charles Piazzi Smyth
 * Willebrord Snel
 * Charles Percy Snow
 * John Snow
 * Frederick Soddy
 * Samuel Thomas Soemmerring
 * Leonhard Sohncke
 * Yulian-Karl Vasilievich Sokhotsky
 * Dmitry Ivanovich Sokolov
 * Daniel Carl Solander
 * Ambrogio Soldani
 * Johann Georg von Soldner
 * Jean-Baptiste-François Soleil
 * William Johnson Sollas
 * Ernest Solvay
 * Mary Fairfax Greig Somerville
 * Arnold Sommerfeld
 * Duncan Mclaren Young Sommerville
 * Osip Ivanovich Somov
 * Nikolay Yakovlevich Sonin
 * Tracy Morton Sonneborn
 * Pierre Sonnerat
 * Soranus of Ephesus
 * Henry Clifton Sorby
 * Søren Peter Lauritz Sørensen
 * Sosigenes
 * Domingo de Soto
 * Jean-Louis Giraud Soulavie
 * Louis-François-Auguste Souleyet
 * James South
 * James Sowerby
 * Lazzaro Spallanzani
 * Hans Spemann
 * Harold Spencer Jones
 * Herbert Spencer
 * Leonard James Spencer
 * Elmer Ambrose Sperry
 * Speusippus
 * Sphujidhvaja
 * Adriaan van den Spiegel
 * Johann Baptist von Spix
 * Gustav Friedrich Wilhelm Spoerer
 * Sporus of Nicaea
 * Thomas Sprat
 * Christian Konrad Sprengel
 * Kurt Polycarp Joachim Sprengel
 * Walthère Victor Spring
 * Richard Spruce
 * Adolf Friedrich Wichard Sprung
 * Johann Christoph Spurzheim
 * Śrīdhara
 * Śrīpati
 * Charles Edward St. John
 * Paul Gustav Stäckel
 * Georg Ernst Stahl
 * Johann Bernhard Stallo
 * Jan Jansz De Jonge Stampioen
 * Wendell Meredith Stanley
 * Hermann Friedrich Stannius
 * Thomas Ernest Stanton
 * Johannes Stark
 * George Starkey
 * Ernest Henry Starling
 * Jean-Servais Stas
 * Stanislaw Wawrzyniec Staszic
 * Rudolf Staub
 * Hermann Staudinger
 * Karl Georg Christian von Staudt
 * Edgar William Richard Steacie
 * John Edward Stead
 * Thomas Roscoe Rede Stebbing
 * Harry Steenbock
 * Japetus Smith Steenstrup
 * Josef Stefan
 * Johan Willem Jakob Antoon Stein
 * William Howard Stein
 * Jakob Steiner
 * Karl August Steinheil
 * Ernst Steinitz
 * Charles Proteus Steinmetz
 * Leonhard Hess Stejneger
 * Vladimir Andreevich Steklov
 * Georg Wilhelm Steller
 * Francesco Stelluti
 * Niels Stensen
 * Aleksandr Vasil'evich Stepanov
 * Vyacheslav Vassilievich Stepanov
 * Édouard Jean Marie Stephan
 * Stephanus
 * Stephanus of Alexandria
 * Stephen of Antioch
 * Marjory Stephenson
 * Joseph Stepling
 * Curt Stern
 * Otto Stern
 * Kaspar Maria von Sternberg
 * Pavel Karlovich Sternberg
 * Edward Stevens
 * Nettie Maria Stevens
 * Stanley Smith Stevens
 * Simon Stevin
 * Balfour Stewart
 * George Neil Stewart
 * Matthew Stewart
 * Thomas Jan Stieltjes
 * Michael Stifel
 * Charles Wardell Stiles
 * Wilhelm Hans Stille
 * Frank Leslie Stillwell
 * William Stimpson
 * Charles Milton Altland Stine
 * James Stirling
 * Alfred Stock
 * Chester Stock
 * Aurel Boleslav Stodola
 * George Gabriel Stokes
 * Aleksandr Grigorievich Stoletov
 * Otto Stolz
 * Edmund Clifton Stoner
 * George Johnstone Stoney
 * Fredrik Carl Mülertz Størmer
 * Strabo
 * John Strachey
 * Nikolai Mikhailovich Strakhov
 * Eduard Adolf Strasburger
 * Friedrich Wilhelm Strassman
 * Strato of Lampsacus
 * Frederick John Marrion Stratton
 * Samuel Wesley Stratton
 * Thomas Streete
 * George Linius Streeter
 * Erwin Stresemann
 * Gustaf Benjamin Strömberg
 * Svante Elis Strömgren
 * Józef Struss
 * John William Strutt
 * Robert Strutt
 * Friedrich Georg Wilhelm Struve
 * Georg Otto Hermann Struve
 * Gustav Wilhelm Ludwig Struve
 * Karl Hermann Struve
 * Otto Struve
 * Otto Wilhelm Struve
 * Alexander Stuart
 * Bernhard Studer
 * Eduard Study
 * William Sturgeon
 * Charles-François Sturm
 * Friedrich Otto Rudolf Sturm
 * Alfred Henry Sturtevant
 * Mikhail Fedorovich Subbotin
 * Alexander Suchten
 * Karl Friedrich Jakob Sudhoff
 * Eduard Suess
 * Abu'l-Ḥusayn ʿAbd al-Raḥmān ibn ʿUmar al-Rāzī al-Ṣūfī
 * Francis Bertody Sumner
 * James Batcheller Sumner
 * Karl Frithiof Sundman
 * Willem Frederik Reinier Suringar
 * Heinrich Suter
 * William Sutherland
 * Walter Stanborough Sutton
 * The Svedberg
 * Nils Eberhard Svedelius
 * Harald Ulrik Sverdrup
 * William Swainson
 * Jan Swammerdam
 * William Francis Gray Swann
 * Frédéric Jean Edmond Swarts
 * Olof Swartz
 * Emanuel Swedenborg
 * Gerard van Swieten
 * Jan Hendrik van Swinden
 * Richard Swineshead
 * Thomas Sydenham
 * Peter Ludvig Mejdell Sylow
 * James Joseph Sylvester
 * Franciscus Dele Boë Sylvius
 * Robert Symmer
 * Synesius of Cyrene
 * László Szebellédy
 * Leo Szilard
 * Pál Szily

?

 * Abu'l-Ḥasan Aḥmad ibn Muḥammad al-Ṭabarī
 * Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
 * John Tabor
 * Pietro Tacchini
 * Mariano di Jacomo Taccola
 * Otto Tachenius
 * Andreas Tacquet
 * Peter Guthrie Tait
 * Teiji Takagi
 * William Henry Fox Talbot
 * Igor Evgenievich Tamm
 * Gustav Heinrich Johann Apollon Tammann
 * Aikitsu Tanakadate
 * Gavriil Ivanovich Tanfilev
 * Jules Tannery
 * Paul Tannery
 * Jean Tarde
 * Giovanni Targioni Tozzetti
 * Alfred Tarski
 * Niccolò Tartaglia
 * Shiro Tashiro
 * Alfred Tauber
 * Franz Adolph Taurinus
 * Brook Taylor
 * Charles Vincent Taylor
 * Frank Bursley Taylor
 * Frederick Winslow Taylor
 * Geoffrey Ingram Taylor
 * Hugh Stott Taylor
 * Jethro Justinian Harris Teall
 * Ludwik Karol Teichmann
 * Paul Julius Oswald Teichmüller
 * Pierre Teilhard de Chardin
 * Georges Teissier
 * Bernardino Telesio
 * Willem Ten Rhyne
 * Smithson Tennant
 * David Hilt Tennent
 * Pierre Termier
 * Nikola Tesla
 * Jean Léo Testut
 * al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
 * Thales
 * Károly Than
 * Roland Thaxter
 * William Sydney Thayer
 * Theaetetus
 * Themistius
 * Louis Jacques Thenard
 * Theodorus of Cyrene
 * Theodosius of Bithynia
 * Theon of Alexandria
 * Theon of Smyrna
 * Theophilus
 * Theophrastus
 * Theudius of Magnesia
 * Melchisédech Thévenot
 * F. K. Johannes Thiele
 * Thorvald Nicolai Thiele
 * Hans Thierfelder
 * Thierry of Chartres
 * William Turner Thiselton-Dyer
 * Louis Thollon
 * Thomas Thomas of Cantimpré
 * Hugh Hamshaw Thomas
 * Karl Thomas
 * Sidney Gilchrist Thomas
 * Alvaro Thomaz
 * Benjamin Thompson
 * D'Arcy Wentworth Thompson
 * John Vaughan Thompson
 * Silvanus Phillips Thompson
 * Christian Jürgensen Thomsen
 * Hans Peter Jürgen Julius Thomsen
 * Elihu Thomson
 * George Paget Thomson
 * Joseph John Thomson
 * Sir Charles Wyville Thomson
 * Sir William Thomson
 * Thomas Thomson
 * Jocelyn Field Thorpe
 * Thomas Edward Thorpe
 * André Thouin
 * Axel Thue
 * Carl Peter Thunberg
 * Thorsten Ludvig Thunberg
 * Gustave Adolphe Thuret
 * John Thurnam
 * Leonhard Thurneysser
 * Robert Henry Thurston
 * Thymaridas
 * Jacob Ben Machir ibn Tibbon
 * Moses Ben Samuel ibn Tibbon
 * Friedrich Tiedemann
 * Philippe van Tieghem
 * Johann Carl Wilhelm Ferdinand Tiemann
 * Heinrich Franz Friedrich Tietze
 * Shihāb al-Dīn Abu' L-ʿAbbās AḤmad ibn Yūsuf al-Tīfāshī
 * Gavriil Adrianovich Tikhov
 * Daniel Tilas
 * Sir William Augustus Tilden
 * Mathieu Tillet
 * Cecil Edgar Tilley
 * Aleksey Andreevich Tillo
 * Alexander Tilloch
 * Joseph-Marie de Tilly
 * Amīn al-Dawla Abu'l-Ḥasan Hibat Allāh ibn Ṣaʿīd ibn al-Tilmīdh
 * Kliment Arkadievich Timiryazev
 * Nikolai Vladimirovich Timofeeff-Ressovsky
 * Stepan Timoshenko
 * Charles de Tinseau D'Amondans
 * Arne Wilhelm Kaurin Tiselius
 * François Félix Tisserand
 * Edward Charles Titchmarsh
 * Johann Daniel Titius
 * Isaac Todhunter
 * Otto Toeplitz
 * Richard Chace Tolman
 * Sin-Itiro Tomonaga
 * Marcantonio della Torre
 * Leonardo Torres Quevedo
 * John Torrey
 * Evangelista Torricelli
 * Paolo Toscanelli Dal Pozzo
 * Paolo Toscanelli dal Pozzo
 * George Hoggart Toulmin
 * Joseph Pitton de Tournefort
 * Richard Towneley
 * John Sealy Edward Townsend
 * Joseph Townsend
 * Don Bruno Tozzi
 * John (1608–1662) Tradescant
 * John (c. 1570– 1638) Tradescant
 * Moritz Traube
 * Morris William Travers
 * Friedrich Wilhelm Heinrich von Trebra
 * Jacques Gustave Marie Tréfouël
 * William Trelease
 * Abraham Trembley
 * Melchior Treub
 * Gottfried Reinhold Treviranus
 * Ludolph Christian Treviranus
 * José Gerónimo Triana
 * Michele Troja
 * Johann Bartholomäus Trommsdorff
 * Gerard Troost
 * Louis Joseph Troost
 * Adriaan Paets van Troostwijk
 * Johannes Tropfke
 * Edward Troughton
 * Frederick Thomas Trouton
 * Étienne Léopold Trouvelot
 * John Trowbridge
 * Giovanni Trulli
 * Robert Julius Trumpler
 * Erich Tschermak von Seysenegg
 * Gustav Tschermak
 * Ehrenfried Walther Tschirnhaus
 * Vitold Karlovich Tserasky
 * Konstantin Eduardovich Tsiolkovsky
 * Tsu Ch'ung-chih
 * Mikhail Semenovich Tsvet
 * Abū Bakr Muḥammad ibn Ṭufayl
 * Louis-René Tulasne
 * Nicholaas Tulp
 * Cuthbert Tunstall
 * Andrey Nikolaevich Tupolev
 * Paul Turán
 * Ludwig Türck
 * Göte Wilhelm Turesson
 * Anne-Robert-Jacques Turgot
 * Étienne-François Turgot
 * Alan Mathison Turing
 * Edward Turner
 * Herbert Hall Turner
 * Peter Turner
 * William Turner
 * William (1508–1568) Turner
 * William (1832–1916) Turner
 * William Ernest Stephen Turner
 * Pierre Jean François Turpin
 * Theodore Turquet de Mayerne
 * Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī
 * Sharaf al-Dīn al-Muẓaffar ibn Muḥammad ibn al-Muẓaffar al-Ṭūsī
 * Alfred Edwin Howard Tutton
 * Merle Antony Tuve
 * William Henry Twenhofel
 * Frederick William Twort
 * John Tyndall
 * Joseph Burr Tyrrell
 * Edward Tyson

?

 * Jakob Johann von Uexküll
 * Alexei Alexeivich Ukhtomsky
 * Antonio de Ulloa y de la Torre Giral
 * Ulrich of Strasbourg
 * Edward Oscar Ulrich
 * Philipp Ulstad
 * Ulugh Beg
 * ʿUmar ibn al-Farrukhān al-Ṭabarī
 * Abū ʿAbdallāh YaʿĪsh ibn Ibrāhīm ibn Yūsuf ibn Simāk al-Andalusī al-Umawī
 * Nikolai Alexeevich Umov
 * José Hipólito Unanue
 * Franz Unger
 * Johann August Unzer
 * Abu'l-Ḥasan Aḥmad ibn Ibrāhīm al-Uqlīdīsī
 * Georges Urbain
 * Andrew Ure
 * Harold Clayton Urey
 * Pavel Samuilovich Uryson

?

 * Egor Egorovich Vagner
 * Giovanni Vailati
 * Léon-Louis Vaillant
 * Sébastien Vaillant
 * Achille Valenciennes
 * Gabriel Gustav Valentin
 * Basil Valentine
 * Luca Valerio
 * Charles-Jean-Gustave-Nicolas Vallée-Poussin
 * Antonio Vallisnieri
 * Jacques-Christophe Valmont de Bomare
 * Anton Maria Valsalva
 * Roberto Valturio
 * Juan de Valverde
 * Robert Jemison Van de Graaff
 * Charles Richard Van Hise
 * William Van Leckwijck
 * Donald Dexter Van Slyke
 * John Hasbrouck Van Vleck
 * Alexandre-Théophile Vandermonde
 * Harry Schultz Vandiver
 * Giulio Cesare Vanini
 * Jacobus Henricus Van't Hoff
 * Lardner Vanuxem
 * Varāhamihira
 * Bernhardus Varenius
 * Pierre Varignon
 * Costanzo Varolio
 * Marcus Terentius Varro
 * Giulio Vassale
 * Giovanni Vastarini-Cresi
 * Vaṭeśvara
 * Sébastien le Prestre de Vauban
 * Jean Pierre Étienne Vaucher
 * Nicolas Louis Vauquelin
 * Nikolay Ivanovich Vavilov
 * Sergey Ivanovich Vavilov
 * Oswald Veblen
 * Lars Vegard
 * František Vejdovský
 * Vladimir Iosifovich Veksler
 * José Mariano da Conceição Vellozo
 * Gabriel François Venel
 * Ignatz Venetz
 * Felix Andries Vening Meinesz
 * John Venn
 * Paul Ver Eecke
 * Faustus Verantius
 * Marcel Émile Verdet
 * Pierre-François Verhulst
 * Vladímir Ivanovich Vernadsky
 * Philippe Édouard Poulletier de Verneuil
 * Ernest Basil Verney
 * Pierre Vernier
 * Sergei Nikolaevich Vernov
 * Giuseppe Veronese
 * Addison Emery Verrill
 * Max Verworn
 * Andreas Vesalius
 * Johann Vesling
 * Ernest Vessiot
 * Hubert Bradford Vickery
 * Félix Vicq d'Azyr
 * François Viète
 * Raymond Vieussens
 * John Francis Vigani
 * Giovanni da Vigo
 * Vijayananda
 * Juan Bautista Villalpando
 * Villard de Honnecourt
 * Paul Villard
 * Emilio Villari
 * Pierre Louis François Leveque de Vilmorin
 * Vincent of Beauvais
 * Jerome Ruben Vinograd
 * Sergey Nikolaevich Vinogradsky
 * Jules Louis Gabriel Violle
 * Rudolf Carl Virchow
 * Julien-Joseph Virey
 * Artturi Ilmari Virtanen
 * Giuseppe Vitali
 * Vitruvius Pollio
 * Juan Luis Vives
 * Vincenzo Viviani
 * Vladimir Yulevich Vize
 * Adriaan Vlacq
 * Isaäk Martinus van der Vlerk
 * Aleksandr Ivanovich Voeykov
 * Hermann Carl Vogel
 * Carl Vogt
 * Johan Hermann Lie Vogt
 * Thorolf Vogt
 * Johann Carl Wilhelm Voigt
 * Woldemar Voigt
 * Carl von Voit
 * Paul Oskar Eduard Volkmann
 * Constantin-François Chasse-Boeuf Volney
 * Alessandro Giuseppe Antonio Anastasio Volta
 * François Marie Arouet de Voltaire
 * Vito Volterra
 * Philippe Louis Voltz
 * Johann Von Neumann
 * Mikhail Stepanovich Voronin
 * Georgy Fedoseevich Voronoy
 * Hugo de Vries
 * Nikolay Evgenievich Vvedensky
 * Ivan Alekseevich Vyshnegradsky
 * Georgy Nikolaevich Vysotsky

?

 * Peter Waage
 * Johannes Diderik van der Waals
 * Heinrich Wilhelm Ferdinand Wackenroder
 * Abū al-Muṭarrif ʿAbd al-Raḥman ibn Wāfid
 * Laurence Rickard Wager
 * Julius Wagner von Jauregg
 * Rudolph Wagner
 * Göran Wahlenberg
 * Abū Bakr Aḥmad ibn ʿAlī ibn al-Mukhtār ibn Waḥshiyya
 * Selman Abraham Waksman
 * Johann Ernst Immanuel Walch
 * Charles Doolittle Walcott
 * Abraham Wald
 * František Wald
 * Paul Walden
 * Wilhelm von Waldeyer-Hartz
 * Martin Waldseemüller
 * Alexander Walker
 * John Walker
 * Alfred Russel Wallace
 * William Wallace
 * Otto Wallach
 * Augustus Volney Waller
 * Johan Gottschalk Wallerius
 * George Charles Wallich
 * John Wallis
 * Walter of Odington
 * Philippe Walter
 * Johannes Walther
 * Izaak Walton
 * Wang Hsi-Shan
 * Hsien Chung Wang
 * Albert Wangerin
 * James Alfred Wanklyn
 * Emil Gabriel Warburg
 * Otto Heinrich Warburg
 * Seth Ward
 * Pehr Wilhelm Wargentin
 * Edward Waring
 * Johannes Eugenius Bülow Warming
 * Edward Wight Washburn
 * Henry Stephens Washington
 * August Paul von Wassermann
 * John James Waterston
 * Charles Waterton
 * George Neville Watson
 * Hewett Cottrell Watson
 * Richard Watson
 * Sereno Watson
 * William Watson
 * Robert Alexander Watson-Watt
 * James Watt
 * Ernst Heinrich Weber
 * Hans Herman Julius Wilhelm Weber
 * Heinrich Weber
 * Max Wilhelm Carl Weber
 * Wilhelm Eduard Weber
 * Arthur Gordon Webster
 * David Locke Webster
 * John Webster
 * Thomas Webster
 * Joseph Henry MacLagan Wedderburn
 * Georg Wolfgang Wedel
 * Josiah Wedgwood
 * Alfred Lothar Wegener
 * Arthur Rudolph Berthold Wehnelt
 * Anton Weichselbaum
 * Karl Theodor Wilhelm Weierstrass
 * Christian Ehrenfried Weigel
 * Valentin Weigel
 * Carl Weigert
 * Wilhelm Weinberg
 * Julius Weingarten
 * Julius Ludwig Weisbach
 * August Friedrich Leopold Weismann
 * Christian Samuel Weiss
 * Edmund Weiss
 * Pierre Weiss
 * Chaim Weizmann
 * William Henry Welch
 * Walter Frank Raphael Weldon
 * Harry Gideon Wells
 * William Charles Wells
 * Gottfried Wendelin
 * Friedrich August Ferdinand Christian Went
 * Gregor Wentzel
 * Johann-Jakob Wepfer
 * Abraham Gottlob Werner
 * Alfred Werner
 * Johann(es) Werner
 * Carl Wernicke
 * Ernst Wertheim
 * Caspar Wessel
 * Hermann Weyl
 * George Wharton
 * Thomas Wharton
 * Richard Whately
 * Charles Wheatstone
 * William Morton Wheeler
 * William Whewell
 * William Whiston
 * Charles White
 * Charles David White
 * Gilbert White
 * Israel Charles White
 * Thomas White
 * Alfred North Whitehead
 * John Henry Constantine Whitehead
 * John Whitehurst
 * Robert Parr Whitfield
 * Charles Otis Whitman
 * Josiah Dwight Whitney
 * Edmund Taylor Whittaker
 * Walter Frederick Whittard
 * Robert Whytlaw-Gray
 * Robert Whytt
 * Ernest Wickersheimer
 * Johannes Widman
 * Aloys Joseph Beck Edler von Widmannstätten
 * Emil Wiechert
 * Maximilian Zu Wied
 * Gustav Heinrich Wiedemann
 * Robert Wiedersheim
 * Johann Christian Wiegleb
 * Heinrich Otto Wieland
 * Melchior Wieland
 * Heinrich Wieleitner
 * Wilhelm Carl Werner Otto Fritz Franz Wien
 * Ludwig Christian Wiener
 * Norbert Wiener
 * Otto Wiener
 * Julius von Wiesner
 * Albert Julius Wilhelm Wigand
 * Johann Bernhard Wilbrand
 * Johan Carl Wilcke
 * Ernest Julius Wilczynski
 * Heinrich Wild
 * Harvey Washington Wiley
 * Wilhelm IV
 * Richard Herman Wilhelm
 * Ludwig Ferdinand Wilhelmy
 * John Wilkins
 * Samuel Stanley Wilks
 * Karl Ludwig Willdenow
 * William of Auvergne
 * William of Saint-Cloud
 * William of Sherwood
 * William the Englishman
 * Henry Shaler Williams
 * Robert Runnels Williams
 * Alexander William Williamson
 * William Crawford Williamson
 * Bailey Willis
 * Robert Willis
 * Thomas Willis
 * Samuel Wendell Williston
 * Richard Willstätter
 * Francis Willughby
 * Johannes Wilsing
 * Alexander Wilson
 * Benjamin Wilson
 * Charles Thomson Rees Wilson
 * Edmund Beecher Wilson
 * Edwin Bidwell Wilson
 * Harold Albert Wilson
 * John Wilson
 * Alexander Winchell
 * Alexander Newton Winchell
 * Horace Vaughn Winchell
 * Newton Horace Winchell
 * Adolf Otto Reinhold Windaus
 * Vincent Wing
 * Clemens Winkler
 * Helmut Gustav Franz Winkler
 * Lajos Wilhelm Winkler
 * Joseph Winlock
 * Jacob Winsløw
 * Saul Winstein
 * John Winthrop
 * Aurel Wintner
 * Johannes Wislicenus
 * Caspar Wistar
 * Witelo
 * Henry Witham
 * William Withering
 * Jan de Witt
 * Ludwig Wittgenstein
 * Paul Wittich
 * Franz Woepcke
 * Charles Joseph Étienne Wolf
 * Johann Rudolf Wolf
 * Maximilian Franz Joseph Cornelius Wolf
 * Caspar Friedrich Wolff
 * Christian Wolff
 * Jacob Wolfowitz
 * Melville Lawrence Wolfrom
 * Francis Wollaston
 * William Hyde Wollaston
 * Reinhard Woltman
 * Horatio C. Wood
 * Robert Williams Wood
 * Robert Woodhouse
 * John Woodward
 * Robert Simpson Woodward
 * Charles Leonard Woolley
 * Ole Worm
 * Jens Jacob Worsaae
 * Edward Wotton
 * Peter Woulfe
 * Christopher Wren
 * Almroth Edward Wright
 * Edward Wright
 * Frederick Eugene Wright
 * George Frederick Wright
 * Thomas Wright
 * Wilbur Wright
 * William Hammond Wright
 * Zygmunt Florenty von Wróblewski
 * Hsien Wu
 * August Wöhler
 * Friedrich Wöhler
 * Georg Wulff
 * Wilhelm Wundt
 * Charles-Adolphe Wurtz
 * Jeffries Wyman

?

 * Xenocrates of Chalcedon
 * Xenophanes

?

 * Yaḥyā ibn Abī Manṣūr
 * Yang Hui
 * Yaʿqūb ibn Ṭāriq
 * Shihāb al-Dīn Abū ʿAbdallāh Yāqūt ibn ʿAbd Allāh Yāqūt al-Ḥamawī al-Rūmī
 * Yativṛṣabha
 * Yavaneśvara
 * Robert Mearns Yerkes
 * Alexandre Yersin
 * William John Youden
 * Charles Augustus Young
 * John Richardson Young
 * John Wesley Young
 * Sydney Young
 * Thomas Young
 * William Henry Young
 * Hideki Yukawa
 * George Udny Yule
 * Abu'l-Ḥasan ʿAlī ibn ʿAbd al-Raḥmān ibn Aḥmad ibn Yūnus al-Ṣadafī ibn Yūnus

?

 * Jacopo Zabarella
 * Franz Xaver von Zach
 * William Houlder Zachariasen
 * Abraham Bar Samuel Bar Abraham Zacuto
 * Abu'l-Qāsim Khalaf ibn ʿAbbās al-Zahrāwī
 * Adam Zalužanský Ze Zalužan
 * Giuseppe Zambeccari
 * Ferruccio Zambonini
 * Eustachio Zanotti
 * Kazimierz Zarankiewicz
 * Abū Isḥāq Ibrāhīm ibn Yaḥyā al-Naqqāsh al-Zarqālī
 * Mikhail Mikhaylovich Zavadovsky
 * Aleksey Alekseevich Zavarzin
 * Pieter Zeeman
 * René Charles Zeiller
 * William Christopher Zeise
 * Ludwik Zejszner
 * Nikolay Dmitrievich Zelinsky
 * Géza Zemplén
 * Zeno of Citium
 * Zeno of Elea
 * Zeno of Sidon
 * Zenodorus
 * Ernst Friedrich Ferdinand Zermelo
 * Frits Zernike
 * Leonidas Zervas
 * Gustav Anton Zeuner
 * Hieronymus Georg Zeuthen
 * Nikolay Egorovich Zhukovsky
 * Karl Waldemar Ziegler
 * Walter Zimmermann
 * Nikolay Nikolaevich Zinin
 * Hans Zinsser
 * Ferdinand Zirkel
 * Karl Alfred von Zittel
 * Egor Ivanovich Zolotarev
 * Zosimus of Panopolis
 * Richard Adolf Zsigmondy
 * Nikolay Nikolaevich Zubov
 * Vasily Pavlovich Zubov
 * Niccolò Zucchi
 * Abū Marwān ʿAbd al-Malik ibn Abi'l-ʿAlāʾ ibn Zuhr
 * Johann Karl Friedrich Zöllner
 * Johann Zwelfer
 * Fritz Zwicky

?

 * Cleveland Abbe
 * Antonio Abetti
 * William de Wiveleslie Abney
 * Abraham Bar ?iyya Ha-Nasi
 * Mu?ammad ibn Mu?ammad ibn Ya?y? ibn Ism???l ibn al-?Abb?s Ab?'l-Waf?? al-B?zj?n?
 * Acyuta Pi??ra?i
 * John Couch Adams
 * Adelard of Bath
 * Pierre d'Ailly
 * George Biddell Airy
 * Robert Grant Aitken
 * Carl Theodor Albrecht
 * Alfonso El Sabio
 * José Antonio Alzate y Ramírez
 * Anaximander
 * Henri Andoyer
 * Charles Louis François André
 * Johannes Angelus
 * Anders Jonas Ångström
 * Voituret Anthelme
 * Antiphon
 * Eugène M. Antoniadi
 * Peter Apian
 * Dominique François Jean Arago
 * Aratus of Soli
 * Friedrich Wilhelm August Argelander
 * Andrea Argoli
 * Aristarchus of Samos
 * Aristotle
 * Aristyllus
 * Heinrich Louis d'Arrest
 * Asada Gōryū
 * Autolycus of Pitane
 * Arthur Julius Georg Friedrich von Auwers
 * Adrien Auzout
 * Wilhelm Heinrich Walter Baade
 * Jacques Babinet
 * Jöns Oskar Backlund
 * Solon Irving Bailey
 * Jean-Sylvain Bailly
 * Francis Baily
 * Thaddeus Banachiewicz
 * Ban? M?s?
 * Giovanni Antonio Baranzano
 * Joseph-Émile Barbier
 * Edward Emerson Barnard
 * Franciscus Barocius
 * Ab? ?Abd All?h Mu?ammad ibn J?bir ibn Sin?n al-Raqq? al-?arr?n? al-??bi? al-Batt?n?
 * Johann Bayer
 * Wilhelm Beer
 * Johann Friedrich Benzenberg
 * Torbern Olof Bergman
 * Bernard of Le Treille
 * Bernardus de Bernard of Verdun
 * Jakob Bernoulli
 * Johann Bernoulli
 * Gasparo Berti
 * Friedrich Wilhelm Bessel
 * Bh?skara I
 * Bh?skara II
 * Alexander William Bickerton
 * Wilhelm von Biela
 * Camille Guillaume Bigourdan
 * Jacques de Billy
 * John Birmingham
 * William Radcliff Birt
 * Ab? Ray??n al-B?r?n?
 * Ab? Is??q al-Bi?r?j? al-Ishb?l?
 * Jacob Aall Bonnevie Bjerknes
 * Sergei Nikolaevich Blazhko
 * Jean-Baptiste-Gaspard Bochart de Saron
 * Johann Elert Bode
 * Palm Heinrich Ludwig von Boguslavsky
 * Federigo Bonaventura
 * George Phillips Bond
 * William Cranch Bond
 * Giovanni Alfonso Borelli
 * Rudjer J. Boškovi?
 * Lewis Boss
 * Ismael Boulliau
 * Edmond Bour
 * Alexis Bouvard
 * Nathaniel Bowditch
 * Ira Sprague Bowen
 * James Bradley
 * Tycho Brahe
 * Brahmadeva
 * Brahmagupta
 * Heinrich Wilhelm Brandes
 * Auguste Bravais
 * Fedor Aleksandrovich Bredikhin
 * Simon Bredon
 * Carl Bremiker
 * Otto Rudolf Martin Brendel
 * John Brinkley
 * Thomas Brisbane
 * Pierre René Jean-Baptiste Henri Brocard
 * William Robert Brooks
 * Dirk Brouwer
 * Ernest William Brown
 * Karl Christian Bruhns
 * Walter Brytte
 * Jacques Buot
 * Johann Tobias Bürg
 * Joost Bürgi
 * Thomas Burnet
 * Sherburne Wesley Burnham
 * Carl Jensen Burrau
 * August Ludwig Busch
 * Christoph Hendrik Diederik Buys Ballot
 * Niccolo Cabeo
 * Giuseppe Calandrelli
 * Ignazio Calandrelli
 * Francisco José de Caldas
 * Pierre Jean Octave Callandreau
 * Callippus
 * Giuseppe Campani
 * Campanus of Novara
 * William Wallace Campbell
 * Charles-Étienne-Louis Camus
 * Annie Jump Cannon
 * Baldassar Capra
 * Richard Christopher Carrington
 * Gian Domenico Cassini
 * Jacques Cassini
 * Jean-Dominique Cassini
 * César-François Cassini de Thury
 * Benedetto Castelli
 * Augustin-Louis Cauchy
 * Arthur Cayley
 * Anders Celsius
 * James Challis
 * Thomas Chrowder Chamberlin
 * Seth Carlo Chandler
 * Jean-Baptiste Chappe D'Auteroche
 * Geoffrey Chaucer
 * Jean François Chazy
 * Temple Chevallier
 * Joshua Childrey
 * William Henry Mahoney Christie
 * Jacob Christmann
 * Alexis-Claude Clairaut
 * Alvan Clark
 * François Auguste Claude
 * Thomas Clausen
 * Christoph Clavius
 * Cleomedes
 * José Comas Solá
 * Andrew Ainslie Common
 * Leslie John Comrie
 * George Cary Comstock
 * Conon of Samos
 * Nicholas Copernicus
 * Martín Cortes de Albacar
 * Eugène Maurice Pierre Cosserat
 * Roger Cotes
 * Louis Cotte
 * Philip Herbert Cowell
 * William Crabtree
 * Andrew Claude de la Cherois Crommelin
 * Heber Doust Curtis
 * Ralph Hamilton Curtiss
 * Johann Baptist Cysat
 * Joachim Dalencé
 * John Dalton
 * John Frederic Daniell
 * Egnatio Danti
 * Patrick D'Arcy
 * George Howard Darwin
 * Da?abala
 * Cunradus Dasypodius
 * William Morris Davis
 * William Rutter Dawes
 * Jean-Baptiste Joseph Delambre
 * Warren De La Rue
 * Charles-Eugène Delaunay
 * Joseph-Nicolas Delisle
 * Eugène Joseph Delporte
 * Jean André Deluc
 * Ercole Dembowski
 * Henri Deslandres
 * Dinakara
 * Achille-Pierre Dionis du Séjour
 * Paul Adrien Maurice Dirac
 * Jeremiah Dixon
 * Giovan Battista Donati
 * Giovanni Dondi
 * Johann Gabriel Doppelmayr
 * Johann Christian Doppler
 * Georg Samuel Dörffel
 * Dositheus
 * Heinrich Wilhelm Dove
 * Arthur Matthew Weld Downing
 * Henry Draper
 * Johann Louis Emil Dreyer
 * Andreas Dudith
 * Raymond Smith Dugan
 * John Charles Duncan
 * Nils Christofer Dunér
 * Frank Watson Dyson
 * Cornelis Easton
 * Wallace John Eckert
 * Arthur Stanley Eddington
 * William Lewis Elkin
 * William Ellis
 * Pio Emanuelli
 * Johann Franz Encke
 * Georg Adolph Erman
 * Hans Ertel
 * Ernest Benjamin Esclangon
 * James Pollard Espy
 * Euctemon
 * Eudoxus of Cnidus
 * Leonhard Euler
 * Abraham Ben Meir ibn Ezra
 * Louis Fabry
 * Abu'l-?Abb?s A?mad ibn Mu?ammad ibn Kath?r al-Fargh?n?
 * Hervé Faye
 * Mu?ammad ibn Ibr?h?m al-Faz?r?
 * James Ferguson
 * Louis Feuillée
 * Oronce Fine
 * Thomas Fink
 * Robert Fitzroy
 * Camille Flammarion
 * John Flamsteed
 * Williamina Paton Fleming
 * Bernard Le Bouyer de Fontenelle
 * Jean-Paul Grandjean de Fouchy
 * Benjamin Franklin
 * Bernard Frenicle De Bessy
 * Erwin Finlay Freundlich
 * Paolo Frisi
 * Edwin Brant Frost
 * Jean Fusoris
 * Nicolaus Fuss
 * Aimable Jean-Baptiste Gaillot
 * Galileo Galilei
 * Johann Gottfried Galle
 * Ga?e?a
 * William Gascoigne
 * Pierre Gassendi
 * Paul Ferdinand Gautier
 * Geminus
 * Gerard of Silteo
 * Giles of Lessines
 * Giles of Rome
 * David Gill
 * James Glaisher
 * James Whitbread Lee Glaisher
 * Louis Godin
 * John Goodricke
 * Benjamin Apthorp Gould
 * Kasimir Romuald Graff
 * David Gregory
 * James Gregory
 * Francesco Maria Grimaldi
 * Federico de Grisogono
 * Ernst A. F. W. Grossmann
 * Adam Wilhelm Siegmund Guenther
 * A?mad ibn ?Abdall?h al-Marwaz? ?abash al-??sib
 * Asaph Hall
 * Edmond Halley
 * Jacob Karl Ernst Halm
 * Maurice Théodore Adolphe Hamy
 * Julius Ferdinand von Hann
 * Peter Andreas Hansen
 * Aleksey Pavlovich Hansky
 * Christopher Hansteen
 * Carl Ludwig Harding
 * Haridatta I
 * Haridatta II
 * William Harkness
 * Thomas Harriot
 * Johannes Franz Hartmann
 * Ernst Hartwig
 * Ab? ?Al? al-?asan ibn al-?asan ibn al-Haytham
 * Maximilian Hell
 * Friedrich Robert Helmert
 * Thomas Henderson
 * Paul Pierre Henry
 * Henry Bate of Malines
 * Henry of Hesse
 * Heraclides Ponticus
 * Hermann the Lame
 * Caroline Lucretia Herschel
 * John Frederick William Herschel
 * William Herschel
 * Ejnar Hertzsprung
 * Johannes Hevelius
 * Hicetas of Syracuse
 * Hildegard of Bingen
 * George William Hill
 * John Russell Hind
 * Hipparchus
 * Hippocrates of Chios
 * Kiyotsugu Hirayama
 * Martinus Hoek
 * Edward Singleton Holden
 * Guido Horn D'Arturo
 * Thomas Hornsby
 * Christian Horrebow
 * Peder Nielsen Horrebow
 * Jeremiah Horrocks
 * Martinus Hortensius
 * Guillaume-Jules Hoüel
 * George Washington Hough
 * Edwin Powell Hubble
 * Leon Hufnagel
 * William Joseph Hussey
 * Christiaan Huygens
 * Hypsicles of Alexandria
 * Ibr?h?m ibn Sin?n ibn Th?bit ibn Qurra
 * Naum Ilich Idelson
 * Robert Thorburn Ayton Innes
 * Tadataka In?
 * Ab? Mu?ammad J?bir ibn Afla? al-Ishb?l?
 * Jagann?tha
 * Pierre Jules César Janssen
 * al-?Abb?s ibn Sa??d al-Jawhar?
 * Jayasi?ha
 * Ab? ?Abd All?h Mu?ammad ibn Mu??dh al-Jayy?n?
 * James Hopwood Jeans
 * Edme-Sébastien Jeaurat
 * Thomas Jefferson
 * Johannes Lauratius de Fundis
 * John of Gmunden
 * Johannes de John of Lignères
 * John of Murs
 * John of Saxony
 * John of Sicily
 * John Simonis of Selandia
 * Manuel John Johnson
 * Frederik Kaiser
 * Kamal?kara
 * Kanaka
 * Jacobus Cornelius Kapteyn
 * Ghiy?th al-D?n Jamsh?d Mas??d al-K?sh?
 * Vladimir Vladimirovich Kavraysky
 * Bartholomew Keckermann
 * James Edward Keeler
 * Johannes Kepler
 * Ke?ava
 * Shams al-D?n Ab? ?Abdall?h Mu?ammad ibn Mu?ammad al-Khal?l?
 * Ghiy?th al-D?n Abu'l- Fath ?Umar ibn Ibr?h?m al-N?s?-B?r? al-Khayy?m?
 * Ab? Ja?far Muhammad ibn al-?asan al-Khur?s?n? al-Kh?zin
 * Abu'l-Fat? ?Abd al-Ra?m?n al-Kh?zin?
 * Ab? Ma?m?d ??mid ibn al-Khi?r al-Khujand?
 * Ab? Ja?far Mu?ammad ibn M?s? al-Khw?rizm?
 * Hisashi Kimura
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 * K???a
 * Abu' L-?asan al-J?l? Kushy?r ibn Labb?n ibn B?shahr?
 * Nicolas-Louis de Lacaille
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 * Lalla
 * Johann Heinrich Lambert
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 * L??adeva
 * Hans Emil Lau
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 * Jean Le Fèvre
 * Guillaume-Joseph-Hyacinthe- Jean-Baptiste Le Gentil de la Galaisière
 * Georges Lemaître
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 * Mah?deva
 * Ab? ?Abd All?h Mu?ammad ibn ??s? al-M?h?n?
 * Mahendra S?ri
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 * Makaranda
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 * Giacomo Filippo Maraldi
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 * Willem de Sitter
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 * Karl Frithiof Sundman
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 * Ulugh Beg
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 * Harold Clayton Urey
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 * Franz Xaver von Zach
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 * Niccolò Zucchi

?

 * Pietro d' Abano
 * John Jacob Abel
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 * Pierre Jacques Antoine Béchamp
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?

 * Abich Otto Hermann Wilhelm
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 * Friedrich August von Alberti
 * Eugene Thomas Allen
 * Florentino Ameghino
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 * Carlos Ibáñez E Ibáñez de Ibero
 * Joseph Paxson Iddings
 * Vincent Charles Illing
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 * Miklós von Konkoly Thege
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 * Philip Henry Kuenen
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 * Gabriel-Philippe de La Hire
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 * Horace Lamb
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 * Fusakichi Omori
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 * Esprit Pezenas
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 * Theophrastus
 * Sidney Gilchrist Thomas
 * Shihab al-Din Abu' L- ?Abbas A?mad ibn Yusuf al-Tifashi
 * Daniel Tilas
 * Cecil Edgar Tilley
 * Aleksey Andreevich Tillo
 * George Hoggart Toulmin
 * Joseph Townsend
 * Friedrich Wilhelm Heinrich von Trebra
 * Gerard Troost
 * Gustav Tschermak
 * Herbert Hall Turner
 * Mu?ammad ibn Mu?ammad ibn al-?asan al-?usi
 * William Henry Twenhofel
 * Joseph Burr Tyrrell
 * Edward Oscar Ulrich
 * Georges Urbain
 * Harold Clayton Urey
 * Jacques- Christophe Valmont de Bomare
 * Charles Richard Van Hise
 * William Van Leckwijck
 * Lardner Vanuxem
 * Ignatz Venetz
 * Felix Andries Vening Meinesz
 * Vladímir Ivanovich Vernadsky
 * Philippe Édouard Poulletier de Verneuil
 * Isaäk Martinus van der Vlerk
 * Johan Hermann Lie Vogt
 * Thorolf Vogt
 * Johann Carl Wilhelm Voigt
 * Philippe Louis Voltz
 * Georgy Nikolaevich Vysotsky
 * Peter Waage
 * Laurence Rickard Wager
 * Selman Abraham Waksman
 * John Walker
 * Johan Gottschalk Wallerius
 * Johannes Walther
 * Henry Stephens Washington
 * Thomas Webster
 * Alfred Lothar Wegener
 * Abraham Gottlob Werner
 * Charles David White
 * Israel Charles White
 * John Whitehurst
 * Robert Parr Whitfield
 * Josiah Dwight Whitney
 * Walter Frederick Whittard
 * Aloys Joseph Beck Edler von Widmannstätten
 * Emil Wiechert
 * Henry Shaler Williams
 * William Crawford Williamson
 * Bailey Willis
 * Alexander Winchell
 * Alexander Newton Winchell
 * Horace Vaughn Winchell
 * Newton Horace Winchell
 * Helmut Gustav Franz Winkler
 * Henry Witham
 * John Woodward
 * Robert Simpson Woodward
 * Frederick Eugene Wright
 * George Frederick Wright
 * Ferruccio Zambonini
 * Ludwik Zejszner
 * Ferdinand Zirkel
 * Karl Alfred von Zittel

?

 * Abu ?amid al-Gharna?i
 * ?Imad al-Din Abu'l-Fida? Isma?il ibn ?Ali ibn Ma?mud ibn … Ayyub
 * José de Acosta
 * José Antonio Alzate y Ramírez
 * Dmitrii Nikolaevich Anuchin
 * Jean-Baptiste Bourguignon d' Anville
 * Peter Apian
 * Philippe Arbos
 * Wallace Walter Atwood
 * Félix de Azara
 * Karl Ernst von Baer
 * Abu ?Ubayd ?Abdallah ibn ?Abd al-?Aziz ibn Mu?ammad al-Bakri
 * Ba??u?a Ibn
 * Martin Behaim
 * Faddei F. Bellinsgauzen
 * Lev Simonovich Berg
 * Torbern Olof Bergman
 * Vitus Bering
 * Abu Ray?an al-Biruni
 * Willem Janszoon Blaeu
 * Raoul Blanchard
 * Louis Antoine de Bougainville
 * Isaiah Bowman
 * James Bruce
 * Jean Brunhes
 * Philippe Buache
 * Francisco José de Caldas
 * Jean-Baptiste Charcot
 * Jacob Christmann
 * Christopher Columbus
 * James Cook
 * Vincenzo Maria Coronelli
 * Martín Cortes de Albacar
 * Aleksander Piotr Czekanowski
 * Jan Czerski
 * Giotto Dainelli
 * Tannatt William Edgeworth David
 * William Morris Davis
 * Frank Debenham
 * Guillaume Delisle
 * Joseph-Nicolas Delisle
 * Vasilii Vasilevich Dokuchaev
 * Erich von Drygalski
 * Robert Dudley
 * Louis-Isidore Duperrey
 * Johann Gottfried Ebel
 * Eratosthenes
 * Georg Adolph Erman
 * Lewis Evans
 * Evgenii Konstantinovich Fedorov
 * Edward Forbes
 * Georg Adam Forster
 * Johann Reinhold Forster
 * Joseph Paul Gaimard
 * Henry Gellibrand
 * Reiner Gemma Frisius
 * Henricus Martellus Germanus
 * Johann Georg Gmelin
 * Adam Wilhelm Siegmund Guenther
 * Edmund Gunter
 * Arnold Henri Guyot
 * Richard Hakluyt
 * Axel Hamberg
 * Abu Mu?ammad al-?asan ibn A?mad ibn Ya?Qub al-Hamdani
 * Roland McMillan Harper
 * Abu'l-Qasim Mu?ammad ibn ?awqal
 * Hecataeus of Miletus
 * Sven Anders Hedin
 * Albert Arnold Heim
 * Hipparchus
 * Karl Ernst Adolf von Hoff
 * Ibrahim ibn Ya?qub al-Isra?Aili al-Tur?ushi
 * al-Sharif al-Idrisi al-Idrisi
 * Tadataka Ino
 * Thomas Jefferson
 * Engelbert Kaempfer
 * Louis Charles Karpinski
 * Vladimir Vladimirovich Kavraysky
 * Abu' L-Qasim ?Ubayd Allah?Abd Allah ibn Khurradadhbih
 * Abu Ja?far Mu?ammad ibn Musa al-Khwarizmi
 * Stepan Petrovich Krasheninnikov
 * Andrey Nikolaevich Krasnov
 * Petr Alekseevich Kropotkin
 * Aleksandr Aleksandrovich Kruber
 * Michel Ange Lancret
 * Michael Florent van Langren
 * Mikhail Petrovich Lazarev
 * Leo the African
 * Ivan Ivanovich Lepekhin
 * René-Primevère Lesson
 * João de Lisboa
 * Fyodor Petrovich Litke
 * Giovanni Antonio Magini
 * Shihab al-Din A?mad ibn Majid ibn Majid
 * Shams al-Din Abu ?Abdallah Mu?ammad ibn A?mad ibn Abi Bakr al-Banna? al-Shami al-Maqdisi al-Bashshari al-Maqdisi
 * Jules Marcou
 * Emmanuel Marie Pierre Martin Jacquin de Margerie
 * Clements Robert Markham
 * Emmanuel-Louis- Eugène de Martonne
 * Abu?ul-?asan?Ali ibn al-?usayn ibn ?Ali al-Mas?udi
 * Fra Mauro
 * Matthew Fontaine Maury
 * Johann Tobias Mayer
 * Pedro de Medina
 * Gerardus Mercator
 * Aleksandr Fedorovich Middendorf
 * Georgy Fedorovich Morozov
 * Jedidiah Morse
 * Ernest Barthélémy Mouchez
 * Sebastian Münster
 * Johannes von Muralt
 * Ivan Vasilievich Mushketov
 * Alfred Gabriel Nathorst
 * Carsten Niebuhr
 * Adolf Erik Nordenskiöld
 * Robert Norman
 * Richard Norwood
 * Vladimir Afanasievich Obruchev
 * Olaus Magnus
 * Abraham Ortelius
 * James Orton
 * Réginald Outhier
 * Pyotr Simon Pallas
 * Pappus of Alexandria
 * Albrecht Penck
 * Duarte Pacheco Pereira
 * William Petty
 * Mu?yi al-Din Piri Rais
 * Pomponius Mela
 * Ignazio Porro
 * Grigory Nikolaevich Potanin
 * Nikolay Mikhaylovich Przhevalsky
 * Raphael Pumpelly
 * Pytheas of Massalia
 * Zakariya ibn Mu?ammad ibn Ma?mud Abu Ya?ya al-Qazwini
 * Qu?b al-Din al-Shirazi
 * Friedrich Ratzel
 * Élisée Reclus
 * James Rennell
 * Giambattista Riccioli
 * Ferdinand von Richthofen
 * Eugeniusz Mikolaj Romer
 * James Clark Ross
 * Karl Ludwig Rütimeyer
 * Rollin Daniel Salisbury
 * Johannes Schöner
 * Georgy Yakovlevich Sedov
 * Petr Petrovich Semyonov-Tyan-Shansky
 * William Albert Setchell
 * Anania Shirakatsí
 * Yuly Mikhaylovich Shokalsky
 * Georg Wilhelm Steller
 * Strabo
 * Heinrich Suter
 * Gavriil Ivanovich Tanfilev
 * Jean Tarde
 * Niccolò Tartaglia
 * Aleksey Andreevich Tillo
 * Paolo Toscanelli Dal Pozzo
 * Joseph Burr Tyrrell
 * Bernhardus Varenius
 * Vladimir Yulevich Vize
 * Aleksandr Ivanovich Voeykov
 * Constantin-François Chasse-Boeuf Volney
 * Martin Waldseemüller
 * Johann(es) Werner
 * Franz Woepcke
 * Edward Wright
 * Shihab al-Din Abu ?Abdallah Yaqut ibn ?Abd Allah Yaqut al-?amawi al-Rumi

?

 * Pietro d' Abano
 * ?Abbas ibn Firnas
 * William de Wiveleslie Abney
 * ?Imad al-Din Abu'l-Fida? Isma?il ibn ?Ali ibn Ma?mud ibn … Ayyub
 * Cristóbal Acosta
 * Michel Adanson
 * Leone Battista Alberti
 * Alcuin of York
 * Alfonso El Sabio
 * José Antonio Alzate y Ramírez
 * Florentino Ameghino
 * Johann Valentin Andreae
 * Anthemius of Tralles
 * Dmitrii Nikolaevich Anuchin
 * Ernst Friedrich Apelt
 * Saint Thomas Aquinas
 * Antoine-Joseph Dezallier d' Argenville
 * Henry Edward Armstrong
 * Antoine Arnauld
 * Wilbur Olin Atwater
 * Félix de Azara
 * Roger Bacon
 * Spencer Fullerton Baird
 * Gian Giacomo Bartolotti
 * Benjamin Smith Barton
 * Agostino Maria Bassi
 * Henry Walter Bates
 * Ferdinand Lucas Bauer
 * Franz Andreas Bauer
 * Johann Bartholomaeus Adam Beringer
 * Lloyd Viel Berkner
 * Paul Bert
 * Charles Edwin Bessey
 * Camille Guillaume Bigourdan
 * Abu Ray?an al-Biruni
 * Niels Janniksen Bjerrum
 * Alberto-Carlo Blanc
 * Nicolas-François Blondel
 * Johann Friedrich Blumenbach
 * Edward Blyth
 * Fritz Simon Bodenheimer
 * Baldassarre Boncompagni
 * Charles Bonnet
 * Pierre Borel
 * Girolamo Borro
 * Ettore Bortolotti
 * Louis Augustin Guillaume Bosc
 * Abraham Bosse
 * Jacques Boucher de Crèvecoeur de Perthes
 * Pierre Michon Bourdelot
 * Louis Bourguet
 * Pierre Léon Boutroux
 * Charles Bouvelles
 * Anton von Braunmühl
 * Scipione Breislak
 * Henri Édouard Prosper Breuil
 * Léon Nicolas Brillouin
 * Mathurin-Jacques Brisson
 * Max Brödel
 * Thomas Browne
 * Filippo Brunelleschi
 * Friedrich Karl Christian Ludwig Büchner
 * Georges-Louis Leclerc Buffon
 * Hermon Carey Bumpus
 * Vannevar Bush
 * George Busk
 * Pierre-Jean-Georges Cabanis
 * William Wallace Campbell
 * William Benjamin Carpenter
 * Rachel Louise Carson
 * Gaspar Roque Francisco Narciso Casal Julian
 * Flavius Magnus Aurelius Cassiodorus Senator
 * Mark Catesby
 * James McKeen Cattell
 * Aulus Cornelius Celsus
 * Censorinus
 * Federico Cesi
 * Giacinto Cestoni
 * Adelbert von Chamisso
 * Michel Chasles
 * Gabrielle-Émilie Le Tonnelier de Breteuil Châtelet
 * Geoffrey Chaucer
 * Temple Chevallier
 * Joshua Childrey
 * Jacob Christmann
 * George Chrystal
 * Claude Clerselier
 * Ernst Julius Cohen
 * Peter Collinson
 * Raoul Combes
 * John Amos Comenius
 * Philibert Commerson
 * James Bryant Conant
 * Euricius Cordus
 * Louis Couturat
 * Charles Creighton
 * Henry Crew
 * Karl Culmann
 * Georges Cuvier
 * Johann Nepomuk Czermak
 * Thomas François Dalibard
 * Mu?ammad ibn Musa Al-Damiri
 * David van Dantzig
 * Charles Robert Darwin
 * Erasmus Darwin
 * John Davy
 * Joseph Déchelette
 * Jean-Baptiste Joseph Delambre
 * William Derham
 * René du Perron Descartes
 * Michel Étienne Descourtilz
 * Samuel Dickstein
 * Denis Diderot
 * Johann Gabriel Doppelmayr
 * James Douglas
 * John William Draper
 * Jean-Baptiste Du Hamel
 * Pierre-Maurice-Marie Duhem
 * Robley Dunglison
 * Pierre-Charles-François Dupin
 * Albrecht Dürer
 * René-Joachim-Henri Dutrochet
 * Amos Eaton
 * Josef ?aria Eder
 * William Frédéric Edwards
 * Friedrich Engels
 * Federigo Enriques
 * Charles Estienne
 * Eudemus of Rhodes
 * Jean Henri Fabre
 * John Farrar
 * John Charles Fields
 * Marie-Jean-Pierre Flourens
 * Martin Folkes
 * Bernard Le Bouyer de Fontenelle
 * Philipp Frank
 * Benjamin Franklin
 * John Frere
 * Gustav Theodor Fritsch
 * Johann Karl Fuhlrott
 * John Farquhar Fulton
 * Joseph Paul Gaimard
 * Jean Gallois
 * Prosper Garnot
 * Pierre Gassendi
 * Gerard of Cremona
 * Konrad Gesner
 * Joseph Glanvill
 * Johann Georg Gmelin
 * Jacques Gohory
 * Jacob Green
 * Isaac Greenwood
 * Olinthus Gilbert Gregory
 * Robert Grosseteste
 * Adam Wilhelm Siegmund Guenther
 * Jean-Étienne Guettard
 * Dominicus Gundissalinus
 * Theodore Haak
 * Arthur Erich Haas
 * Richard Hakluyt
 * Granville Stanley Hall
 * Albrecht von Haller
 * George Bruce Halsted
 * William Hamilton
 * Hermann Hankel
 * John Harris
 * Samuel Hartlib
 * Thomas Little Heath
 * John Herapath
 * Johann Friedrich Herbart
 * William Herbert
 * Francisco Hernández
 * Herodotus of Halicarnassus
 * Jan van der Hoeven
 * Pierre Humbert
 * David Hume
 * Abu Zayd ?unayn ibn Is?aq al-?Ibadi
 * Thomas Henry Huxley
 * Naum Ilich Idelson
 * Abu Ya?qub Is?aq ibn ?unayn
 * Isidore of Seville
 * Isidorus of Miletus
 * Abu ?Uthman ?Amr ibn Ba?r al-Ja?i?
 * James of Venice
 * Robert Jameson
 * Pierre Jules César Janssen
 * Thomas Jefferson
 * Edward Jenner
 * John of Palermo
 * John Jonston
 * David Starr Jordan
 * Joseph de Jussieu
 * Pehr Kalm
 * Louis Charles Karpinski
 * Bartholomew Keckermann
 * Khaldun Ibn
 * Abu' L-Qasim ?Ubayd Allah?Abd Allah ibn Khurradadhbih
 * Abu ?Abd Allah Mu?ammad ibn A?mad ibn Yusuf al-Khuwarizmi
 * Abu Yusuf Ya?qub ibn Is?aq al-?abba? al-Kindi
 * Athanasius Kircher
 * Georg Wolfgang Knorr
 * Jacob Köbel
 * Emanuel König
 * Lew Kowarski
 * Alexandre Koyré
 * Stepan Petrovich Krasheninnikov
 * Ernst Ludwig Krause
 * Charles-Marie de La Condamine
 * Gabriel-Philippe de La Hire
 * Jean-Claude de Lamétherie
 * Jean Vincent Félix Lamouroux
 * Michel Ange Lancret
 * Edwin Ray Lankester
 * Édouard Amant Isidore Hippolyte Lartet
 * Louis Lartet
 * Matthieu Paul Hermann Laurent
 * Louis Seymour Bazett Leakey
 * John Leconte
 * Joseph Leconte
 * Nicolò Leoniceno
 * Ivan Ivanovich Lepekhin
 * René-Primevère Lesson
 * Charles-Alexandre Lesueur
 * François Levaillant
 * Thomas Lewis
 * Edward Lhwyd
 * James Logan
 * Gino Loria
 * Arthur Oncken Lovejoy
 * Ramon Lull
 * Lorenzo Magalotti
 * Rabbi Moses Ben Maimon Maimonides
 * John Maior
 * Nicolas Malebranche
 * Paul Mansion
 * Edme Mariotte
 * Ernest Marsden
 * Luigi Ferdinando Marsili
 * Martianus Capella
 * Francesco di Giorgio di Martini
 * Karl Friedrich Philipp von Martius
 * Karl Marx
 * Abu?ul-?asan?Ali ibn al-?usayn ibn ?Ali al-Mas?udi
 * Raphael Meldola
 * Christopher Merrett
 * Marin Mersenne
 * Hélène Metzger
 * Émile Meyerson
 * Michael Scot
 * Aldo Mieli
 * Elisha Mitchell
 * St. George Jackson Mivart
 * Juan Ignacio Molina
 * Nicolás Bautista Monardes
 * Gustav Oscar Montelius
 * Henri Louis Habert de Montmor
 * Jean Étienne Montucla
 * Sir Robert Moray
 * Louis-Laurent Gabriel de Mortillet
 * John Morton
 * Angelo Mosso
 * James Cecil Mottram
 * Fritz Müller
 * George Newport
 * Jean Nicot
 * Joseph Niepce
 * Adolf Erik Nordenskiöld
 * Nils Erik Nordenskiöld
 * Thomas Nuttall
 * Philbert Maurice d' Ocagne
 * Gioanbatista Odierna
 * Lorenz Oken
 * Olaus Magnus
 * Henry Oldenburg
 * Olympiodorus
 * James Orton
 * Andreas Osiander
 * Luca Pacioli
 * Bernard Palissy
 * Edward Palmer
 * Sydney Parkinson
 * James Riddick Partington
 * Charles Willson Peale
 * Rembrandt Peale
 * Titian Ramsay Peale
 * George Braxton Pegram
 * Charles Sanders Peirce
 * Nicolas Claude Fabri de Peiresc
 * Thomas Pennant
 * François Péron
 * Claude Perrault
 * Pierre Perrault
 * William Petrie
 * Louis-Édouard-Stanislas Piette
 * Jean François Pilatre de Rozier
 * Augustus Henry Lane Fox Pitt-Rivers
 * Maximus Planudes
 * Pliny
 * Robert Plot
 * Noël-Antoine Pluche
 * Charles Plumier
 * Johann Christian Poggendorff
 * Giovanni Poleni
 * Posidonius
 * Grigory Nikolaevich Potanin
 * Félix-Archimède Pouchet
 * Edward Bagnall Poulton
 * John Wesley Powell
 * Theophil Mitchell Prudden
 * Raphael Pumpelly
 * Jan Evangelista Purkyne
 * Frederic Ward Putnam
 * Qus?a ibn Luqa al-Ba?labakki
 * Abu Mu?ammad ?Abdallah ibn Muslim al-Dinawari al-Jabali ibn Qutayba
 * Emanuel Rádl
 * Thomas Stamford Bingley Raffles
 * Constantine Samuel Rafinesque
 * Peter Ramus
 * Rudolf Erich Raspe
 * Friedrich Ratzel
 * John Ray
 * René-Antoine Ferchault de Réaumur
 * Pierre-Joseph Redouté
 * Karl Reichenbach
 * Ira Remsen
 * Matteo Ricci
 * Ristoro
 * Albert Cherbury David Rivett
 * Jean-Baptiste René Robinet
 * August Johann Roesel von Rosenhof
 * Jacques Rohault
 * Johann Karl Ferdinand Rosenberger
 * Roger James Rossiter
 * Jean Cyrus Rostand
 * Jean Rouelle
 * Ferdinand Rudio
 * Augustin François César Prouvençal de Saint-Hilaire
 * Denys de Sallo
 * Ippolito Salviani
 * George Alfred Léon Sarton
 * Horace Bénédict de Saussure
 * Jakob Schegk
 * Johann Jakob Scheuchzer
 * Jacob Mathias Schleiden
 * Heinrich Schliemann
 * Casimir Christoph Schmidel
 * Basil Ferdinand Jamieson Schonland
 * Henry Rowe Schoolcraft
 * Carl Schorlemmer
 * Victor Schumann
 * Shen Kua
 * Pierre Sigorgne
 * Carlos de Sigüenza y Góngora
 * Abu ?Ali al-?usayn ibn ?Abdallah ibn Sina
 * Sir Hans Sloane
 * Charles Percy Snow
 * Frederick Soddy
 * Daniel Carl Solander
 * Pierre Sonnerat
 * James Sowerby
 * Lazzaro Spallanzani
 * Thomas Sprat
 * Paul Gustav Stäckel
 * Wendell Meredith Stanley
 * Ernest Henry Starling
 * Stanislaw Wawrzyniec Staszic
 * Francesco Stelluti
 * Stephen of Antioch
 * Strabo
 * Samuel Wesley Stratton
 * Karl Friedrich Jakob Sudhoff
 * Paul Tannery
 * Giovanni Targioni Tozzetti
 * Melchisédech Thévenot
 * Thomas Thomas of Cantimpré
 * D'Arcy Wentworth Thompson
 * John Vaughan Thompson
 * Silvanus Phillips Thompson
 * Christian Jürgensen Thomsen
 * Sir Charles Wyville Thomson
 * Thomas Edward Thorpe
 * Robert Henry Thurston
 * Jacob Ben Machir ibn Tibbon
 * Moses Ben Samuel ibn Tibbon
 * Alexander Tilloch
 * Amin al-Dawla Abu'l- ?asan Hibat Allah ibn ?a?id ibn al-Tilmidh
 * John (c. 1570– 1638) Tradescant
 * John (1608–1662) Tradescant
 * Gerard Troost
 * Johannes Tropfke
 * Étienne Léopold Trouvelot
 * William (1508–1568) Turner
 * William (1832–1916) Turner
 * John Tyndall
 * Antonio de Ulloa y de la Torre Giral
 * José Hipólito Unanue
 * Giovanni Vailati
 * Jacques- Christophe Valmont de Bomare
 * Roberto Valturio
 * Marcus Terentius Varro
 * Félix Vicq d'Azyr
 * Juan Bautista Villalpando
 * Villard de Honnecourt
 * Julien-Joseph Virey
 * Vitruvius Pollio
 * Adriaan Vlacq
 * Paul Oskar Eduard Volkmann
 * Constantin-François Chasse-Boeuf Volney
 * François Marie Arouet de Voltaire
 * Johann Ernst Immanuel Walch
 * Alfred Russel Wallace
 * Izaak Walton
 * Charles Waterton
 * John Webster
 * William Henry Welch
 * Gottfried Wendelin
 * William Whewell
 * Ernest Wickersheimer
 * Maximilian Zu Wied
 * Heinrich Wieleitner
 * John Wilkins
 * William Crawford Williamson
 * Robert Willis
 * Francis Willughby
 * Alexander Winchell
 * Newton Horace Winchell
 * William Withering
 * Charles Joseph Étienne Wolf
 * Johann Rudolf Wolf
 * Jacob Wolfowitz
 * Charles Leonard Woolley
 * Ole Worm
 * Jens Jacob Worsaae
 * Edward Wotton
 * Christopher Wren
 * Shihab al-Din Abu ?Abdallah Yaqut ibn ?Abd Allah Yaqut al-?amawi al-Rumi
 * John Wesley Young
 * Jacopo Zabarella
 * Hieronymus Georg Zeuthen
 * Karl Alfred von Zittel
 * Vasily Pavlovich Zubov

?

 * John Jacob Abel
 * Othenio Abel
 * Erik Acharius
 * Alessandro Achillini
 * Carl Adolph Agardh
 * Jacob Georg Agardh
 * Alexander Agassiz
 * Jean Louis Rodolphe Agassiz
 * Izrail' Iosifovich Agol
 * William Aiton
 * William Townsend Aiton
 * Charles Albert I of Monaco
 * Bernard Siegfried Albinus
 * Christiaan Bernard Albinus
 * Frederik Bernard Albinus
 * Ulisse Aldrovandi
 * Alexander of Myndos
 * Warder Clyde Allee
 * Joel Asaph Allen
 * Prospero Alpini
 * Florentino Ameghino
 * Giovan Battista Amici
 * Paul Albert Ancel
 * Edgar Anderson
 * Nikolai Ivanovich Andrusov
 * Luigi Anguillara
 * Stephan Apáthy
 * Saint Thomas Aquinas
 * Camille Louis Joseph Arambourg
 * Giulio Cesare Aranzio
 * Agnes Robertson Arber
 * Étienne-Jules-Adolphe Desmier Archiac
 * Aristotle
 * William Joscelyn Arkell
 * Giuseppe Degli Aromatari
 * Arsène d' Arsonval
 * Peter Artedi
 * Nicolas Maurice Arthus
 * Gaspare Aselli
 * Boris L'Vovich Astaurov
 * William Thomas Astbury
 * Wilbur Olin Atwater
 * Jean Victor Audouin
 * John James Audubon
 * Oswald T. Avery
 * ?Awwam Abu Zakariyya Ya?ya ibn Mu?ammad ibn al-
 * Ernest Brown Babcock
 * Stephen Moulton Babcock
 * Charles Cardale Babington
 * Aleksei Nikolaevich Bach
 * Augustus Quirinus Bachmann
 * Karl Ernst von Baer
 * Georgius Baglivi
 * Johann Jacob Baier
 * Liberty Hyde Bailey
 * Spencer Fullerton Baird
 * John Gilbert Baker
 * Edouard-Gérard Balbiani
 * Francis Maitland Balfour
 * Isaac Bayley Balfour
 * John Hutton Balfour
 * Orville Lee Bandy
 * John Banister
 * Joseph Banks
 * Henry Gray Barbour
 * John Barclay
 * Joseph Barcroft
 * Joachim Barrande
 * Charles Barrois
 * Martin Barry
 * Paul-Joseph Barthez
 * Caspar Bartholin
 * Thomas Bartholin
 * Benjamin Smith Barton
 * John Bartram
 * William Bartram
 * Francesco Bassani
 * Agostino Maria Bassi
 * Raymond Smith Bassler
 * Henry Charlton Bastian
 * Jean Eugène Bataillon
 * Marston Bates
 * William Bateson
 * Francis Arthur Bather
 * Alexandre Édouard Baudrimont
 * Gaspard Bauhin
 * Jean Bauhin
 * Erwin Baur
 * Frederick Charles Bawden
 * Leonard Ernest Bayliss
 * William Maddock Bayliss
 * ?iya? al-din Abu Mu?hammad ?Abdallah ibn A?mad ibn al-Bay?ar al-Malaqi
 * William Beaumont
 * Nello Beccari
 * Pierre Jacques Antoine Béchamp
 * Paul Becquerel
 * John Beddoe
 * Martinus Willem Beijerinck
 * Georg von Békésy
 * Karl Belar
 * Charles Bell
 * Luigi Bellardi
 * Lorenzo Bellini
 * Faddei F. Bellinsgauzen
 * Pierre Belon
 * Andrei Nikolaevich Belozerskii
 * Edouard van Beneden
 * Pierre-Joseph van Beneden
 * Alessandro Benedetti
 * Francis Gano Benedict
 * Robert Russell Bensley
 * George Bentham
 * Alfred Theodor Bentz
 * Lev Simonovich Berg
 * Johann Gottfried Berger
 * Max Bergmann
 * Miles Joseph Berkeley
 * John Desmond Bernal
 * Claude Bernard
 * Noël Bernard
 * Julius Bernstein
 * Paul Bert
 * Pierre Berthier
 * Arnold Adolphe Berthold
 * Charles-Eugène Bertrand
 * Gabriel Bertrand
 * Charles Edwin Bessey
 * Charles Herbert Best
 * Gabriel-Léopold-Charles- Amé Bexon
 * Heinrich Ernst Beyrich
 * Albert von Bezold
 * Marie-François-Xavier Bichat
 * Friedrich Heinrich Bidder
 * Govard Bidloo
 * Theodor Bilharz
 * Elkanah Billings
 * Edward Asahel Birge
 * Gottlieb Wilhelm Bischoff
 * Theodor Ludwig Wilhelm Bischoff
 * Giulio Cesare Bizzozero
 * Jacob Aall Bonnevie Bjerknes
 * Davidson Black
 * Frederick Frost Blackman
 * Henri Marie Ducrotay de Blainville
 * Patrick Blair
 * Johann Friedrich Blumenbach
 * Jerome Bock
 * Fritz Simon Bodenheimer
 * Hermann Boerhaave
 * Johannes Bohn
 * Lodewijk Bolk
 * Bolos of Mendes
 * Andrei Timofeevich Bolotov
 * Lucien Jules Laurent Bonaparte
 * Charles Bonnet
 * Gaston Bonnier
 * Jules Bordet
 * Giovanni Alfonso Borelli
 * Jean Baptiste Georges Marie Bory de Saint-Vincent
 * Louis Augustin Guillaume Bosc
 * Jagadischandra Bose
 * Filippo Bottazzi
 * Jacques Boucher de Crèvecoeur de Perthes
 * Pol André Bouin
 * Marcellin Boule
 * Louis Bourguet
 * Jean Baptiste Joseph Dieudonné Boussingault
 * Theodor Boveri
 * Henry Pickering Bowditch
 * Frederick Orpen Bower
 * Albert Brachet
 * Richard Bradley
 * Johann Friedrich Brandt
 * Alexander Carl Heinrich Braun
 * Auguste Bravais
 * Julius Oscar Brefeld
 * Gilbert Breschet
 * Josef Breuer
 * Calvin Blackman Bridges
 * James Britten
 * Nathaniel Lord Britton
 * Max Brödel
 * Benjamin Collins Brodie
 * Ferdinand Broili
 * Adolphe-Théodore Brongniart
 * Detlev Wulf Bronk
 * Heinrich Georg Bronn
 * William Keith Brooks
 * Robert Broom
 * Pierre-Auguste- Marie Broussonet
 * Alexander Crum Brown
 * Robert Brown
 * Charles- Édouard Brown-Séquard
 * David Bruce
 * Ernst Wilhelm von Brücke
 * Otto Brunfels
 * Thomas Lauder Brunton
 * John Young Buchanan
 * William Buckland
 * Arthur Henry Reginald Buller
 * William Bulloch
 * Hermon Carey Bumpus
 * Gustav von Bunge
 * Filippo Buonanni
 * Karl Friedrich Burdach
 * John Scott Burdon-Sanderson
 * Otto Bütschli
 * Antoine-Alexis- François Cadet de Vaux
 * Leopoldo Marcantonio Caldani
 * Francisco José de Caldas
 * Gary Nathan Calkins
 * Albert Calmette
 * Rudolph Jakob Camerarius
 * Douglas Houghton Campbell
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 * Marcel Pierre Toussaint de Serres de Mesplès
 * Olivier de Serres
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 * Michal Siedlecki
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 * Selman Abraham Waksman
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 * Aleksey Alekseevich Zavarzin
 * René Charles Zeiller
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 * Nikolay Nikolaevich Zubov

?

 * Niels Henrik Abel
 * Abraham Bar ?iyya Ha-Nasi
 * Abu Kamil Shuja? ibn Aslam ibn Mu?ammad ibn Shuja?
 * Mu?ammad ibn Mu?ammad ibn Ya?ya ibn Isma?il ibn al-?Abbas Abu'l-Wafa? al-Buzjani
 * John Couch Adams
 * Adelard of Bath
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 * Franz Ulrich Theodosius Aepinus
 * Maria Gaetana Agnesi
 * François d' Aguilon
 * Ahmad ibn Yusuf
 * Aida Yasuaki
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 * Abraham Adrian Albert
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 * Antiphon
 * Apollonius of Perga
 * Paul Appell
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 * Archimedes
 * Archytas of Tarentum
 * Jean Robert Argand
 * Aristaeus
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 * Antoine Arnauld
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 * Autolycus of Pitane
 * Adrien Auzout
 * Félix de Azara
 * Charles Babbage
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 * Claude- Gaspar Bachet De Méziriac
 * Paul Gustav Heinrich Bachmann
 * Abu Man?ur ?Abd al-Qahir ibn ?ahir ibn Mu?ammad ibn ?Abdallah al–Tamimi al-Shafi?i al-Baghdadi
 * René Louis Baire
 * Balbus
 * Johann Jakob Balmer
 * Stefan Banach
 * Banna? al-Marrakushi ibn al-
 * Banu Musa
 * Joseph-Émile Barbier
 * Peter Barlow
 * Franciscus Barocius
 * Isaac Barrow
 * Erasmus Bartholin
 * Harry Bateman
 * Abu ?Abd Allah Mu?ammad ibn Jabir ibn Sinan al-Raqqi al-?arrani al–?abi? al-Battani
 * Thomas Bayes
 * Jean Beaugrand
 * Eric Temple Bell
 * Giusto Bellavitis
 * Eugenio Beltrami
 * Giovanni Battista Benedetti
 * Stefan Bergman
 * Paul Isaac Bernays
 * Daniel Bernoulli
 * Jakob I Bernoulli
 * Jakob II Bernoulli
 * Johann I Bernoulli
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 * Nikolaus I Bernoulli
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 * Felix Bernstein
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 * Eugenio Bertini
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 * Abram Samoilovitch Besicovitch
 * Friedrich Wilhelm Bessel
 * Enrico Betti
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 * Bhaskara II
 * Luigi Bianchi
 * Irénée-Jules Bienaymé
 * Jacques de Billy
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 * George David Birkhoff
 * Abu Ray?an al-Biruni
 * Carl Anton Bjerknes
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 * Hans Frederick Blichfeldt
 * Gilbert Ames Bliss
 * Étienne Bobillier
 * Maxime Bôcher
 * Salomon Bochner
 * Anicius Manlius Severinus Boethius
 * Piers Bohl
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 * Farkas Bolyai
 * János Bolyai
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 * Callippus
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 * Moritz Benedikt Cantor
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 * Constantin Carathéodory
 * Pierre de Carcavi
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 * Isidore Auguste Marie François Xavier Comte
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 * Julian Lowell Coolidge
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 * Nicholas von Cusa
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 * Charles Galton Darwin
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 * Leonard Eugene Dickson
 * Samuel Dickstein
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 * Thomas Digges
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 * Dositheus
 * Jesse Douglas
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 * Andreas Dudith
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 * Athanase Louis Victoire Dupré
 * Albrecht Dürer
 * Walther Franz Anton von Dyck
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 * Charles Ehresmann
 * Luther Pfahler Eisenhart
 * Ferdinand Gotthold Max Eisenstein
 * Friedrich Engel
 * Federigo Enriques
 * Eratosthenes
 * Arthur Erdélyi
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 * Euclid
 * Eudoxus of Cnidus
 * Leonhard Euler
 * Eutocius of Ascalon
 * Griffith Conrad Evans
 * Abraham Ben Meir ibn Ezra
 * Honoré Fabri
 * Giovanni Francesco Fagnano dei Toschi
 * Giulio Carlo Fagnano dei Toschi
 * Gino Fano
 * John Farrar
 * Pierre Joseph Louis Fatou
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 * Pierre de Fermat
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 * William Ferrel
 * Scipione dal Ferro
 * Karl Wilhelm Feuerbach
 * Leonardo Fibonacci
 * John Charles Fields
 * Henry Burchard Fine
 * Oronce Fine
 * Thomas Fink
 * Ronald Aylmer Fisher
 * Alexis Fontaine
 * Bernard Le Bouyer de Fontenelle
 * Andrew Russell Forsyth
 * Jean-Baptiste-Joseph Fourier
 * Adolf Abraham Fraenkel
 * François Français
 * Jacques Frédéric Français
 * Piero della Francesca
 * Philipp Frank
 * René Maurice Fréchet
 * Ivar Fredholm
 * Friedrich Ludwig Gottlob Frege
 * Jean-Frédéric Frenet
 * Bernard Frenicle De Bessy
 * Aleksandr Aleksandrovich Friedman
 * Jakob Friedrich Fries
 * Paolo Frisi
 * Georg Ferdinand Frobenius
 * Guido Fubini
 * Immanuel Lazarus Fuchs
 * Karl Rudolf Fueter
 * Nicolaus Fuss
 * Evgraf Stepanovich Fyodorov
 * Boris Grigorievich Galerkin
 * Evariste Galois
 * Francis Galton
 * Carl Friedrich Gauss
 * Karl Friedrich Geiser
 * Alexandr Osipovich Gelfond
 * Henry Gellibrand
 * Geminus
 * Reiner Gemma Frisius
 * Gerhard Gentzen
 * Gerard of Brussels
 * Gerbert d' Gerbert
 * Joseph Diaz Gergonne
 * Sophie Germain
 * Marino Ghetaldi
 * Giovanni Giorgi
 * Albert Girard
 * James Whitbread Lee Glaisher
 * Kurt Friedrich Gödel
 * Christian Goldbach
 * Benjamin Gompertz
 * Adolph Göpel
 * Paul Albert Gordan
 * William Sealy Gosset
 * Édouard Jean-Baptiste Goursat
 * Karl Heinrich Gräffe
 * Guido Grandi
 * Hermann Günther Grassmann
 * John Graunt
 * Dmitry Aleksandrovich Grave
 * Willem Jacob 's Gravesande
 * George Green
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 * James Gregory
 * Olinthus Gilbert Gregory
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 * Adam Wilhelm Siegmund Guenther
 * Paul Guldin
 * Allvar Gullstrand
 * Edmund Gunter
 * Alfréd Haar
 * A?mad ibn ?Abdallah al-Marwazi ?abash al-?asib
 * Jean Nicolas Pierre Hachette
 * Jacques Hadamard
 * Georges-Henri Halphen
 * George Bruce Halsted
 * William Rowan Hamilton
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 * Claude Hardy
 * Godfrey Harold Hardy
 * Harish-Chandra
 * Thomas Harriot
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 * Douglas Rayner Hartree
 * Helmut Hasse
 * Felix Hausdorff
 * Abu ?Ali al-?asan ibn al-?asan ibn al-Haytham
 * Thomas Little Heath
 * Daniel Friedrich Hecht
 * Erich Hecke
 * Hans Arnold Heilbronn
 * Heinrich Eduard Heine
 * Ernst Hellinger
 * Eduard Helly
 * Denis Henrion
 * Kurt Hensel
 * Jacques Herbrand
 * Pierre Hérigone
 * Jakob Hermann
 * Hermann the Lame
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 * Hero of Alexandria
 * Ludwig Otto Hesse
 * Hendrik van Heuraet
 * Arend Heyting
 * David Hilbert
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 * Hipparchus
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 * Thomas Hobbes
 * Ernest William Hobson
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 * Eaton Hodgkinson
 * Józef Maria Hoëné-Wronski
 * Otto Ludwig Hölder
 * Bernt Michael Holmboe
 * Heinz Hopf
 * William Hopkins
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 * Hugh of St. Victor
 * Marie-Georges Humbert
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 * Edward Vermilye Huntington
 * Witold Hurewicz
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 * Hypatia
 * Hypsicles of Alexandria
 * Ibrahim ibn Sinan ibn Thabit ibn Qurra
 * Isidorus of Miletus
 * James Ivory
 * Abu Mu?ammad Jabir ibn Afla? al-Ishbili
 * Carl Gustav Jacob Jacobi
 * Jagannatha
 * Zygmunt Janiszewski
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 * Johan Ludvig William Valdemar Jensen
 * George Birch Jerrard
 * Ferdinand Joachimsthal
 * John of Gmunden
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 * William Jones
 * Ernest Jean Philippe Fauque de Jonquières
 * Camille Jordan
 * Jordanus de Nemore
 * Sophus Christian Juel
 * Joachim Jungius
 * Abraham Gotthelf Kaestner
 * Benjamin Fedorovich Kagan
 * László Kalmár
 * Theodor Franz Eduard Kaluza
 * Kamal al-Din Abu'l ?asan Mu?ammad ibn al-?asan al-Farisi
 * Abu Bakr ibn Mu?ammad ibn al ?usayn al-Karaji
 * Ghiyath al-Din Jamshid Mas?ud al-Kashi
 * Bartholomew Keckermann
 * John Keill
 * Béla Kerékjártó
 * John Maynard Keynes
 * Shams al-Din Abu ?Abdallah Mu?ammad ibn Mu?ammad al-Khalili
 * Ghiyath al-Din Abu'l- Fath ?Umar ibn Ibrahim al-Nisa-Buri al-Khayyami
 * Abu Ja?far Muhammad ibn al-?asan al-Khurasani al-Khazin
 * Aleksandr Yakovlevich Khinchin
 * Abu Ma?mud ?amid ibn al-Khi?r al-Khujandi
 * Abu Ja?far Mu?ammad ibn Musa al-Khwarizmi
 * Thomas Penyngton Kirkman
 * Christian Felix Klein
 * Georg Simon Klügel
 * Adolf Kneser
 * Konrad Knopp
 * Jacob Köbel
 * Helge von Koch
 * Nikolai Yevgrafovich Kochin
 * Paul Koebe
 * Johann Samuel Koenig
 * Julius Koenig
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 * Sonya Kovalevsky
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 * Chrétien Kramp
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 * Leopold Kronecker
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 * Aleksei Nikolaevich Krylov
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 * Ernst Eduard Kummer
 * Kazimierz Kuratowski
 * József Kürschák
 * Abu' L-?asan al-Jili Kushyar ibn Labban ibn Bashahri
 * Charles-Marie de La Condamine
 * Sylvestre François Lacroix
 * Charles de La Faille
 * Thomas Fantet de Lagny
 * Joseph Louis Lagrange
 * Edmond Nicolas Laguerre
 * Philippe de La Hire
 * Antoine de Lalouvère
 * Horace Lamb
 * Johann Heinrich Lambert
 * Gabriel Lamé
 * Bernard Lamy
 * Michel Ange Lancret
 * Edmund Landau
 * John Landen
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 * Pierre-Simon Marquis de Laplace
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 * Matthieu Paul Hermann Laurent
 * Pierre Alphonse Laurent
 * João Baptista Lavanha
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 * Henri Léon Lebesgue
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 * Adrien-Marie Legendre
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 * Émile Michel Hyacinthe Lemoine
 * Leo
 * Leo the Mathematician
 * Leodamas of Thasos
 * Leonardo da Vinci
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 * Jacques-François Le Poivre
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 * Stanislaw Lesniewski
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 * Simon-Antoine-Jean L'Huillier
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 * Aleksandr Mikhailovich Lyapunov
 * Francis Sowerby Macaulay
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 * Giovanni Antonio Magini
 * Leonty Filippovich Magnitsky
 * Abu ?Abd Allah Mu?ammad ibn ?Isa al-Mahani
 * Mahavira
 * John Maior
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 * Abu Na?r Man?ur ibn ?Ali ibn ?Iraq
 * Johannes Marcus Marci of Kronland
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 * Mu?yi 'L-Din al-maghribi
 * Munisvara Visvarupa
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 * ?Ali ibn A?mad al-Nasawi
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 * Michael Neander
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 * Isaac Newton
 * Jerzy Neyman
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?

 * Pietro d' Abano
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 * Alexander (1697–1767) Monro
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 * Giovanni Battista Morgagni
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 * ?Ala? al-Din Abu 'L-?asan ?Ali ibn Abi ?L-?azm al-Qurashi ibn al-Nafis
 * Michael Neander
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 * Nemesius
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 * Ambroise Paré
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 * Amin al-Dawlah Abu al-Faraj ibn Muwaffaq al-Din Ya?Qub ibn Is?aq al-Masihi al-Karaki ibn al-Quff
 * Qus?a ibn Luqa al-Ba?labakki
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 * Girolamo Ruscelli
 * Benjamin Rush
 * Abu'l-Walid Mu?ammad ibn A?mad ibn Mu?ammad ibn Rushd
 * Frederik Ruysch
 * Armand Sabatier
 * Florence Rena Sabin
 * Luigi Sacco
 * Angelo Sala
 * Salernitan Anatomists
 * Carl Julius Salomonsen
 * Ippolito Salviani
 * Najib al-Din Abu ?amid Mu?ammad ibn ?Ali ibn ?Umar al-Samarqandi
 * Ibn Ya?ya al-Maghribi al-Samaw?al
 * Aleksandr Filippovich Samoylov
 * Giuseppe Sanarelli
 * Francisco Sanchez
 * Giovanni Domenico Santorini
 * Santorio Santorio
 * Julius Caesar Scaliger
 * Antonio Scarpa
 * Fritz Richard Schaudinn
 * Carl Wilhelm Scheele
 * Jakob Schegk
 * Johann Jakob Scheuchzer
 * Casimir Christoph Schmidel
 * Johann Ernst Schmiedeberg
 * Friedrich Anton Schneider
 * Johann Lucas Schönlein
 * Franz Schrader
 * Jacobus Ludovicus Conradus Schroeder van der Kolk
 * Max Johann Sigismund Schultze
 * Ignaz Philipp Semmelweis
 * Richard Wolfgang Semon
 * Jean-Baptiste Senac
 * Daniel Sennert
 * Edmond Sergent
 * Antoine Étienne Reynaud Augustin Serres
 * Friedrich Wilhelm Adam Ferdinand Sertürner
 * Georges-Simon Serullas
 * Marco Aurelio Severino
 * Petrus Severinus
 * Aleksey Nikolaevich Severtsov
 * Sextus Empiricus
 * William Sharpey
 * Philip MacDonald Sheppard
 * Charles Scott Sherrington
 * Carl Theodor Ernst von Siebold
 * Michal Siedlecki
 * Joseph- Aignan Sigaud de Lafond
 * Abu ?Ali al-?usayn ibn ?Abdallah ibn Sina
 * Abu Sa?id Sinan ibn Thabit ibn Qurra
 * Josef Škoda
 * Konstantin Ivanovich Skryabin
 * Sir Hans Sloane
 * Edward Smith
 * Philip Edward Smith
 * John Snow
 * Samuel Thomas Soemmerring
 * Soranus of Ephesus
 * Adriaan van den Spiegel
 * Kurt Polycarp Joachim Sprengel
 * Johann Christoph Spurzheim
 * Georg Ernst Stahl
 * Wendell Meredith Stanley
 * Hermann Friedrich Stannius
 * George Starkey
 * Harry Steenbock
 * Niels Stensen
 * Edward Stevens
 * Nettie Maria Stevens
 * Charles Wardell Stiles
 * Józef Struss
 * Alexander Suchten
 * Karl Friedrich Jakob Sudhoff
 * Walter Stanborough Sutton
 * Gerard van Swieten
 * Thomas Sydenham
 * Franciscus Dele Boë Sylvius
 * Abu'l-?asan A?mad ibn Mu?ammad al-?abari
 * Abu'l-?asan ?Ali ibn Sahl Rabban al-?abari
 * John Tabor
 * Otto Tachenius
 * Ludwik Karol Teichmann
 * Willem Ten Rhyne
 * Jean Léo Testut
 * al-?abi? al-?arrani Thabit ibn Qurra
 * William Sydney Thayer
 * John Thurnam
 * Moses Ben Samuel ibn Tibbon
 * Friedrich Tiedemann
 * Amin al-Dawla Abu'l- ?asan Hibat Allah ibn ?a?id ibn al-Tilmidh
 * Marcantonio della Torre
 * Paolo Toscanelli dal Pozzo
 * Joseph Pitton de Tournefort
 * Joseph Townsend
 * Michele Troja
 * Johann Bartholomäus Trommsdorff
 * Giovanni Trulli
 * Abu Bakr Mu?ammad ibn ?ufayl
 * Nicholaas Tulp
 * Ludwig Türck
 * William (1508–1568) Turner
 * William (1832–1916) Turner
 * Theodore Turquet de Mayerne
 * Edward Tyson
 * Philipp Ulstad
 * Johann August Unzer
 * Gabriel Gustav Valentin
 * Basil Valentine
 * Antonio Vallisnieri
 * Anton Maria Valsalva
 * Juan de Valverde
 * Costanzo Varolio
 * Giulio Vassale
 * Giovanni Vastarini-Cresi
 * Gabriel François Venel
 * Ernest Basil Verney
 * Andreas Vesalius
 * Johann Vesling
 * Félix Vicq d'Azyr
 * Raymond Vieussens
 * John Francis Vigani
 * Giovanni da Vigo
 * Rudolf Carl Virchow
 * Carl Vogt
 * Heinrich Wilhelm Ferdinand Wackenroder
 * Abu al-Mu?arrif ?Abd al-Ra?man ibn Wafid
 * Rudolph Wagner
 * Julius Wagner von Jauregg
 * Abu Bakr A?mad ibn ?Ali ibn al-Mukhtar ibn Wa?shiyya
 * Selman Abraham Waksman
 * Wilhelm von Waldeyer-Hartz
 * Augustus Volney Waller
 * August Paul von Wassermann
 * Hewett Cottrell Watson
 * William Watson
 * Ernst Heinrich Weber
 * John Webster
 * Georg Wolfgang Wedel
 * Anton Weichselbaum
 * Carl Weigert
 * Wilhelm Weinberg
 * William Henry Welch
 * Harry Gideon Wells
 * William Charles Wells
 * Johann-Jakob Wepfer
 * Carl Wernicke
 * Ernst Wertheim
 * Thomas Wharton
 * Charles White
 * Robert Whytt
 * Ernest Wickersheimer
 * Robert Wiedersheim
 * Johann Christian Wiegleb
 * Robert Runnels Williams
 * Thomas Willis
 * Samuel Wendell Williston
 * Edmund Beecher Wilson
 * Jacob Winsløw
 * John Winthrop
 * Caspar Wistar
 * William Withering
 * Horatio C. Wood
 * Edward Wotton
 * Almroth Edward Wright
 * Hsien Wu
 * Jeffries Wyman
 * Alexandre Yersin
 * Abu'l-Qasim Khalaf ibn ?Abbas al-Zahrawi
 * Adam Zalužanský Ze Zalužan
 * Giuseppe Zambeccari
 * Hans Zinsser
 * Abu Marwan ?Abd al-Malik ibn Abi'l-?Ala? ibn Zuhr
 * Johann Zwelfer

?

 * Pierre Abailard
 * Pietro d' Abano
 * Hibat Allah Abu'l-Barakāt al-Baghdādī
 * Jaʿfar ibn Muḥammad Abū Maʿshar al-Balkhī
 * Michel Adanson
 * Izrail' Iosifovich Agol
 * Heinrich Cornelius von Agrippa
 * Pierre d' Ailly
 * Alanus de Alain de Lille
 * Albert of Saxony
 * Alcmaeon of Crotona
 * Alexander of Aphrodisias
 * Johann Heinrich Alsted
 * William Ames
 * Son of Hermias Ammonius
 * Anatolius of Alexandria
 * Anaxagoras
 * Anaximander
 * Anaximenes of Miletus
 * Johann Valentin Andreae
 * Ernst Friedrich Apelt
 * Saint Thomas Aquinas
 * Archytas of Tarentum
 * Andrea Argoli
 * Saint Aurelius Augustine of Hippo
 * Gaston Bachelard
 * Francis Bacon
 * Roger Bacon
 * Alexander Bain
 * Abū Bakr Muḥammad ibn Yaḥyā ibn al-ṢāʾIgh ibn Bājja
 * Giovanni Antonio Baranzano
 * Caspar Bartholin
 * Sebastian Basso
 * the Venerable Bede
 * Robert Bellarmine
 * Henri-Louis Bergson
 * Claude Guillermet de Bérigard
 * George Berkeley
 * Bernardus Bernard of Chartres
 * Bernard of Le Treille
 * Bernard de Bernard Silvestre
 * Czesław Białobrzeski
 * Alexander William Bickerton
 * Johann Heinrich Bisterfeld
 * Abū Isḥāq al-Biṭrūjī al-Ishbīlī
 * Blasius of Parma
 * Jacob Boehme
 * Anicius Manlius Severinus Boethius
 * Aleksandr Aleksandrovich Bogdanov
 * Niels Henrik David Bohr
 * Bernard Bolzano
 * Charles Bonnet
 * Girolamo Borro
 * Rudjer J. Bošković
 * Nicolas-Antoine Boullanger
 * Louis Bourguet
 * Pierre Léon Boutroux
 * Charles Bouvelles
 * Robert Boyle
 * Thomas Bradwardine
 * Alexander Carl Heinrich Braun
 * Percy Williams Bridgman
 * Giordano Bruno
 * Léon Brunschvicg
 * Friedrich Karl Christian Ludwig Büchner
 * Francesco Buonamici
 * Frank Burgersdijk
 * Jean Buridan
 * Walter Burley
 * Pierre-Jean-Georges Cabanis
 * Calcidius
 * Tommaso Campanella
 * Norman Robert Campbell
 * Girolamo Cardano
 * Herbert Wildon Carr
 * Paul Carus
 * Ernst Alfred Cassirer
 * Henry Cavendish
 * Juan de Celaya
 * Andrea Cesalpino
 * Sydney Chapman
 * Walter Charleton
 * George Cheyne
 * Leon Chwistek
 * Pedro Ciruelo
 * Samuel Clarke
 * Morris Raphael Cohen
 * John Amos Comenius
 * Isidore Auguste Marie François Xavier Comte
 * Étienne Bonnot Abbé de Condillac
 * Luis Nuñez Coronel
 * Antoine-Augustin Cournot
 * Louis Couturat
 * Hasdai Crescas
 * Jean-Pierre de Crousaz
 * Ralph Cudworth
 * Nicholas von Cusa
 * David van Dantzig
 * Jean André Deluc
 * William Derham
 * John Theophilus Desaguliers
 * Girard Desargues
 * René du Perron Descartes
 * Dietrich von Freiberg
 * Kenelm Digby
 * Hugo Albert Emil Hermann Dingler
 * Charles Lutwidge Dodgson
 * Dominicus de Dominicus de Clavasio
 * Domninus of Larissa
 * Georg Samuel Dörffel
 * Dorotheus of Sidon
 * Hans Adolf Eduard Driesch
 * Andreas Dudith
 * Pierre-Maurice-Marie Duhem
 * Jean Dullaert of Ghent
 * John Duns Scotus
 * Albrecht Dürer
 * Iustin Evdokimovich Dyadkovsky
 * Empedocles of Acragas
 * Friedrich Engels
 * Federigo Enriques
 * Epicurus
 * Thomas Erastus
 * Johannes Scottus Eriugena
 * Léo-Abram Errera
 * Eudemus of Rhodes
 * Honoré Fabri
 * Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
 * Firmicus Maternus
 * Georg Adam Forster
 * Johann Reinhold Forster
 * Girolamo Fracastoro
 * Francis of Marchia
 * Francis of Meyronnes
 * Sebastian Franck
 * Philipp Frank
 * Friedrich Ludwig Gottlob Frege
 * Jakob Friedrich Fries
 * Thomas Garnett
 * Pierre Gassendi
 * Gerhard Gentzen
 * Giles of Lessines
 * Joseph Glanvill
 * Francis Glisson
 * Willem Jacob 's Gravesande
 * George Green
 * Isaac Greenwood
 * Federico de Grisogono
 * Robert Grosseteste
 * Dominicus Gundissalinus
 * Richard Burdon Haldane
 * William Hamilton
 * John Harris
 * Hermann von Helmholtz
 * Johannes Helmont
 * Heraclitus of Ephesus
 * Johann Friedrich Herbart
 * Jacques Herbrand
 * Hermes Trismegistus
 * William Heytesbury
 * Arend Heyting
 * Ibn Hibintā
 * Hippias of Elis
 * Thomas Hobbes
 * Józef Maria Hoëné-Wroński
 * Paul Henri Thiry Holbach
 * David Hume
 * Abū Zayd Ḥunayn ibn Isḥāq al-ʿIbādī
 * James Hutton
 * Hypatia
 * Iamblichus
 * Isaac Israeli
 * William James
 * James of Venice
 * William Stanley Jevons
 * Johannes Lauratius de Fundis
 * John of Dumbleton
 * John of Gmunden
 * John Philoponus
 * William Ernest Johnson
 * Joachim Jungius
 * László Kalmár
 * Immanuel Kant
 * Ghiyāth al-Dīn Abu'l- Fath ʿUmar ibn Ibrāhīm al-Nīsā-Būrī al-Khayyāmī
 * Heinrich Khunrath
 * Abū Yūsuf Yaʿqūb ibn Isḥāq al-Ṣabbāḥ al-Kindī
 * Cargill Gilston Knott
 * Jens Kraft
 * Johann Heinrich Lambert
 * Jean-Claude de Lamétherie
 * Julien Offray de La Mettrie
 * Guillaume Lamy
 * Gaspar Lax
 * Gottfried Wilhelm Leibniz
 * Vladimir Ilyich Lenin
 * Édouard Le Roy
 * John Leslie
 * Stanislaw Leśniewski
 * Leucippus
 * Levi Ben Gerson
 * Andreas Libavius
 * John Locke
 * Hermann Rudolph Lotze
 * Arthur Oncken Lovejoy
 * Lucretius
 * Ambrosius Theodosius Macrobius
 * Johann Chrysostom Magnenus
 * Rabbi Moses Ben Maimon Maimonides
 * John Maior
 * Nicolas Malebranche
 * Marcus Manilius
 * Paul Mansion
 * Marinus
 * Marsilius of Inghen de
 * Benjamin Martin
 * Martin van Marum
 * Karl Marx
 * Māshāʾallāh
 * Marin Mersenne
 * Hélène Metzger
 * Émile Meyerson
 * Michael Scot
 * Gaston Milhaud
 * John Stuart Mill
 * William Of Guillelmus de Moerbeke
 * Charles-Louis de Secondat Montesquieu
 * Edmund Duncan Montgomery
 * Henry More
 * Conwy Lloyd Morgan
 * Jean-Baptiste Morin
 * Muḥyi 'L-Dīn al-maghribī
 * Isaac Newton
 * Bernard Nieuwentijt
 * Agostino Nifo
 * Michael de Nostradamus
 * William of Ockham
 * Lorenz Oken
 * Nicole Oresme
 * Andreas Osiander
 * William Paley
 * Theophrastus Philippus Aureolus Bombastus von Hohenheim Paracelsus
 * Parmenides of Elea
 * Blaise Pascal
 * Francesco Patrizi
 * Paul of Alexandria
 * Paul of Venice
 * Giuseppe Peano
 * Charles Sanders Peirce
 * Benedictus Pereira
 * Pseudo- Petosiris
 * Philolaus of Crotona
 * Plato
 * Plato of Tivoli
 * Plotinus
 * Mihály Polányi
 * Pierre Polinière
 * Pietro Pomponazzi
 * Giambattista Della Porta
 * Posidonius
 * Emil Leon Post
 * Isaac-Bénédict Prévost
 * Pierre Prevost
 * Joseph Priestley
 * Proclus
 * Michael Psellus
 * Pythagoras of Samos
 * Abū al-Ṣaqr ʿAbd al-ʿAzīz ibn ʿUthmān ibn ʿAlī al-Qabīṣī
 * Amīn al-Dawlah Abū al-Faraj ibn Muwaffaq al-Dīn YaʿQūb ibn Isḥāq al-Masīhī al-Karakī ibn al-Quff
 * Quṭb al-Dīn al-Shīrāzī
 * Emanuel Rádl
 * Peter Ramus
 * Abū Bakr Muḥammad ibn Zakariyyā al-Rāzī
 * Hans Reichenbach
 * Abel Rey
 * David Rittenhouse
 * Jean-Baptiste René Robinet
 * Abraham Robinson
 * Roger of Hereford
 * Jacques Rohault
 * Lawrence Rooke
 * John Rowning
 * Paolo Ruffini
 * Abu'l-Walīd Muḥammad ibn Aḥmad ibn Muḥammad ibn Rushd
 * Armand Sabatier
 * Shams al-Dīn Muḥammad ibn Ashraf al-Ḥusaynī al-Samarqandī
 * Francisco Sanchez
 * Paolo Sarpi
 * Leonard Jimmie Savage
 * Julius Caesar Scaliger
 * Jakob Schegk
 * Frederick Wilhelm Joseph von Schelling
 * Wilhelm Schickard
 * Friedrich Albert Schlick
 * Michael Servetus
 * Sextus Empiricus
 * Anania Shirakatsí
 * Tadao Shizuki
 * Siger of Brabant
 * Abū Saʿīd Aḥmad ibn Muḥammad ibn ʿAbd al-Jalīl al-Sijzī
 * Simon de Phares
 * Simplicius
 * Abū ʿAlī al-Ḥusayn ibn ʿAbdallāh ibn Sīnā
 * Domingo de Soto
 * Herbert Spencer
 * Speusippus
 * Sphujidhvaja
 * Śrīpati
 * Johann Bernhard Stallo
 * Stephanus of Alexandria
 * Matthew Stewart
 * Michael Stifel
 * Strato of Lampsacus
 * Emanuel Swedenborg
 * Richard Swineshead
 * Abu'l-Ḥasan Aḥmad ibn Muḥammad al-Ṭabarī
 * Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
 * Bernardino Telesio
 * al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
 * Thales
 * Themistius
 * Theophrastus
 * Melchisédech Thévenot
 * Thierry of Chartres
 * Thomas Thomas of Cantimpré
 * Moses Ben Samuel ibn Tibbon
 * Alexander Tilloch
 * Amīn al-Dawla Abu'l- Ḥasan Hibat Allāh ibn Ṣaʿīd ibn al-Tilmīdh
 * Richard Towneley
 * Ehrenfried Walther Tschirnhaus
 * Abū Bakr Muḥammad ibn Ṭufayl
 * Cuthbert Tunstall
 * Anne-Robert-Jacques Turgot
 * Muḥammad ibn Muḥammad ibn al-Ḥasan al-Ṭūsī
 * John Tyndall
 * Ulrich of Strasbourg
 * ʿUmar ibn al-Farrukhān al-Ṭabarī
 * Giovanni Vailati
 * Giulio Cesare Vanini
 * Varāhamihira
 * John Venn
 * Julien-Joseph Virey
 * Juan Luis Vives
 * Paul Oskar Eduard Volkmann
 * Vito Volterra
 * Abū Bakr Aḥmad ibn ʿAlī ibn al-Mukhtār ibn Waḥshiyya
 * Johann Ernst Immanuel Walch
 * Valentin Weigel
 * William Charles Wells
 * Richard Whately
 * William Whewell
 * Thomas White
 * Alfred North Whitehead
 * Edmund Taylor Whittaker
 * Wilhelm Carl Werner Otto Fritz Franz Wien
 * Ludwig Christian Wiener
 * John Wilkins
 * William of Auvergne
 * William of Sherwood
 * William the Englishman
 * John Winthrop
 * Witelo
 * Ludwig Wittgenstein
 * Christian Wolff
 * Xenocrates of Chalcedon
 * Xenophanes
 * Yavaneśvara
 * Thomas Young
 * Jacopo Zabarella
 * Abraham Bar Samuel Bar Abraham Zacuto
 * Zeno of Citium
 * Zeno of Elea
 * Zeno of Sidon

?

 * Ernst Abbe
 * Max Abraham
 * Hibat Allah Abu'l-Barakāt al-Baghdādī
 * Franz Karl Achard
 * Leason Heberling Adams
 * Walter Sydney Adams
 * Franz Ulrich Theodosius Aepinus
 * François d' Aguilon
 * Albert of Saxony
 * Leone Battista Alberti
 * Giovanni Aldini
 * Jean Le Rond d' Alembert
 * Abram Isaakovich Alikhanov
 * Samuel King Allison
 * Émile Amagat
 * Joseph Sweetman Ames
 * Giovan Battista Amici
 * Guillaume Amontons
 * André-Marie Ampère
 * Nikolai Nikolaevich Andreev
 * Aleksandr Aleksandrovich Andronov
 * Stefano Degli Angeli
 * Anders Jonas Ångström
 * Paul Appell
 * Edward Victor Appleton
 * Dominique François Jean Arago
 * Archytas of Tarentum
 * Aristotle
 * Aristoxenus
 * Vladimir Konstantinovich Arkadiev
 * Harold De Forest Arnold
 * Svante August Arrhenius
 * Lev Andreevich Artsimovich
 * William Thomas Astbury
 * Francis William Aston
 * George Atwood
 * Louis Winslow Austin
 * Adrien Auzout
 * Amedeo Avogadro
 * Jacques Babinet
 * Alexander Dallas Bache
 * Ernst E. A. Back
 * Roger Bacon
 * Richard McLean Badger
 * Francis Baily
 * Giovanni Battista Baliani
 * Johann Jakob Balmer
 * Heinrich Georg Barkhausen
 * Charles Glover Barkla
 * Peter Barlow
 * William Barlow
 * Howard Turner Barnes
 * Isaac Barrow
 * Julius Bartels
 * Erasmus Bartholin
 * Daniello Bartoli
 * Carl Barus
 * Harry Bateman
 * Leslie Fleetwood Bates
 * Edmond Bauer
 * Louis Agricola Bauer
 * Giambatista Beccaria
 * Alexandre-Edmond Becquerel
 * Antoine-César Becquerel
 * Henri Becquerel
 * Jean Antoine Edmond Marie Becquerel
 * Isaac Beeckman
 * Angelo Bellani
 * Aristarkh Apollonovich Belopolsky
 * Nikolai Vasil'evich Belov
 * Giovanni Battista Benedetti
 * Justin-Mirande René Benoit
 * Johann Friedrich Benzenberg
 * Hans Berger
 * Torbern Olof Bergman
 * Claude Guillermet de Bérigard
 * Lloyd Viel Berkner
 * John Desmond Bernal
 * Daniel Bernoulli
 * Pierre Bertholon
 * Gasparo Berti
 * Augustin de Betancourt y Molina
 * Homi Jehangir Bhabha
 * Czesław Białobrzeski
 * Jean-Baptiste Biot
 * John Bird
 * Raymond Thayer Birge
 * Carl Anton Bjerknes
 * Vilhelm Frimann Koren Bjerknes
 * Niels Janniksen Bjerrum
 * Joseph Black
 * André Eugène Blondel
 * René-Prosper Blondlot
 * Anicius Manlius Severinus Boethius
 * Niels Henrik David Bohr
 * Bertram Borden Boltwood
 * Ludwig Boltzmann
 * Jean-Charles Borda
 * Giovanni Alfonso Borelli
 * Max Born
 * Georg Matthias Bose
 * Jagadischandra Bose
 * Satyendranath Bose
 * Rudjer J. Bošković
 * Walther Wilhelm Georg Bothe
 * Pierre Bouguer
 * Louis Bourguet
 * Joseph Valentin Boussinesq
 * Ira Sprague Bowen
 * Robert Boyle
 * Charles Vernon Boys
 * de Witt Bristol Brace
 * Sir William Lawrence Bragg
 * William Henry Bragg
 * Heinrich Wilhelm Brandes
 * John Alfred Brashear
 * Ferdinand Braun
 * Auguste Bravais
 * David Brewster
 * Percy Williams Bridgman
 * Lyman James Briggs
 * Léon Nicolas Brillouin
 * Marcel Louis Brillouin
 * Charles Auguste Briot
 * Mathurin-Jacques Brisson
 * Louis-César-Victor- Maurice de Broglie
 * Alfred Heinrich Bucherer
 * Edgar Buckingham
 * Edward Crisp Bullard
 * Keith Edward Bullen
 * Paolo del Buono
 * Jacques Buot
 * Herman Carel Burger
 * Jean Buridan
 * Niccolo Cabeo
 * Blas Cabrera
 * Charles Cagniard de la Tour
 * Louis Paul Cailletet
 * Nicholas Callan
 * Hugh Longbourne Callendar
 * Angus Ewan Cameron
 * Norman Robert Campbell
 * John Canton
 * Arnould Carangeot
 * Girolamo Cardano
 * Anthony Carlisle
 * Nicolas Léonard Sadi Carnot
 * Cassegrain
 * Louis-Bertrand Castel
 * Benedetto Castelli
 * Miguel Antonio Catalán
 * Augustin-Louis Cauchy
 * Tiberius Cavallo
 * James Chadwick
 * Sydney Chapman
 * Jacques-Alexandre- César Charles
 * Ernst Florenz Friedrich Chladni
 * Christian Christiansen
 * Samuel Hunter Christie
 * Nicholas Constantine Christofilos
 * George Chrystal
 * Alexis-Claude Clairaut
 * Rudolf Clausius
 * Jacob Clay
 * William Weber Coblentz
 * John Douglas Cockcroft
 * Cadwallader Colden
 * Ludvig August Colding
 * Arthur Holly Compton
 * Karl Taylor Compton
 * William David Coolidge
 * Orso Mario Corbino
 * Marie Alfred Cornu
 * Bonaventura Corti
 * Dirk Coster
 * Aimé-Auguste Cotton
 * Charles Augustin Coulomb
 * Gaspard le Compasseur de Créquy- Montfort Courtivron
 * Adair Crawford
 * Henry Crew
 * William Crookes
 * James Cumming
 * Marie Curie
 * Pierre Curie
 * Joachim Dalencé
 * John Dalton
 * Reginald Aldworth Daly
 * John Frederic Daniell
 * Charles Galton Darwin
 * Clinton Joseph Davisson
 * Peter Joseph William Debye
 * Lee De Forest
 * Everette Lee DeGolyer
 * Gabriel Delafosse
 * Jean André Deluc
 * Democritus
 * David Mathias Dennison
 * René du Perron Descartes
 * Alfred-Louis- Olivier Legrand Des Cloizeaux
 * Henri Deslandres
 * Henri Devaux
 * James Dewar
 * Roscoe Gilkey Dickinson
 * Dietrich von Freiberg
 * Paul Adrien Maurice Dirac
 * Eustachio Divini
 * Prokop Diviš
 * John Dollond
 * Marko Antonije Dominis
 * Johann Gabriel Doppelmayr
 * Johann Christian Doppler
 * Hendrik Berend Dorgelo
 * Heinrich Wilhelm Dove
 * Cornelius Drebbel
 * Paul Karl Ludwig Drude
 * Hugh Latimer Dryden
 * William Duane
 * Charles-François de Cisternai Dufay
 * Jean-Marie-Constant Duhamel
 * Pierre-Maurice-Marie Duhem
 * Pierre Louis Dulong
 * Théodose Achille Louis Du Moncel
 * Jesse William Monroe Dumond
 * Louis Dominique Joseph Armand Dunoyer de Segonzac
 * Athanase Louis Victoire Dupré
 * René-Joachim-Henri Dutrochet
 * Carl Henry Eckart
 * Arthur Stanley Eddington
 * Paul Ehrenfest
 * Felix Ehrenhaft
 * Aleksandr Aleksandrovich Eichenwald
 * Albert Einstein
 * Johann Philipp Ludwig Julius Elster
 * Robert Emden
 * David Enskog
 * Baron von Eötvös
 * Paul Sophus Epstein
 * Georg Adolph Erman
 * Hans Ertel
 * Berend George Escher
 * Ernest Benjamin Esclangon
 * Leonhard Euler
 * John Evershed
 * Paul Peter Ewald
 * James Alfred Ewing
 * William Maurice Ewing
 * Giovanni Valentino Mattia Fabbroni
 * Charles Fabry
 * Daniel Gabriel Fahrenheit
 * Isidor Fankuchen
 * Abū Naṣr Muḥammad ibn Muḥammad ibn Ṭarkhan ibn Awzalagh al-Fārābī
 * Michael Faraday
 * John Farrar
 * Berend Wilhelm Feddersen
 * Evgenii Konstantinovich Fedorov
 * Enrico Fermi
 * Galileo Ferraris
 * William Ferrel
 * George Francis Fitzgerald
 * Armand-Hippolyte-Louis Fizeau
 * Johannes Fleischer
 * Vladimir Aleksandrovich Fok
 * August Föppl
 * James David Forbes
 * Henry Foster
 * Jean-Bernard-Léon Foucault
 * Jean-Baptiste-Joseph Fourier
 * Alfred Fowler
 * Ralph Howard Fowler
 * James Franck
 * Philipp Frank
 * Moritz Ludwig Frankenheim
 * Benjamin Franklin
 * Joseph Fraunhofer
 * Bernard Frenicle De Bessy
 * Yakov Ilyich Frenkel
 * Augustin Jean Fresnel
 * Georges Friedel
 * Aleksandr Aleksandrovich Friedman
 * Jakob Friedrich Fries
 * Otto Robert Frisch
 * Paolo Frisi
 * Evgraf Stepanovich Fyodorov
 * Dennis Gabor
 * Wolfgang Gaede
 * Galileo Galilei
 * Vincenzio Galilei
 * Luigi Galvani
 * George Gamow
 * Antonio Giorgio Garbasso
 * William Gascoigne
 * John Peter Gassiot
 * Joseph-Louis Gay-Lussac
 * Hans Geiger
 * F. K. Hans Geitel
 * Boris Petrovich Gerasimovich
 * William Francis Giauque
 * Josiah Willard Gibbs
 * William Gilbert
 * Giles of Rome
 * Giovanni Giorgi
 * Richard Tetley Glazebrook
 * Robert Hutchings Goddard
 * Kurt Friedrich Gödel
 * Johann Wolfgang von Goethe
 * Victor Goldschmidt
 * Eugen Goldstein
 * Boris Borisovich Golitsyn
 * Walter Gordon
 * George Gore
 * Samuel Abraham Goudsmit
 * Louis-Georges Gouy
 * Thomas Graham
 * Antoine Alfred Arnaud Xavier Louis de Gramont
 * Franz Grashof
 * Willem Jacob 's Gravesande
 * Stephen Gray
 * David Gregory
 * James Gregory
 * Friedrich Albrecht Carl Gren
 * Francesco Maria Grimaldi
 * Robert Grosseteste
 * Paul Heinrich von Groth
 * Theodor Grotthuss
 * William Robert Grove
 * Otto von Guericke
 * Charles Édouard Guillaume
 * Cato Maximilian Guldberg
 * Allvar Gullstrand
 * Charles-Eugène Guye
 * Arthur Erich Haas
 * Wander Johannes de Haas
 * Jean Nicolas Pierre Hachette
 * John Hadley
 * Otto Hahn
 * George Ellery Hale
 * Edwin Herbert Hall
 * Edmond Halley
 * Wilhelm Ludwig Franz Hallwachs
 * William Rowan Hamilton
 * Maurice Théodore Adolphe Hamy
 * Wilhelm Gottlieb Hankel
 * William Webster Hansen
 * Christopher Hansteen
 * Thomas Harriot
 * Douglas Rayner Hartree
 * Nicolaas Hartsoeker
 * Friedrich Hasenöhrl
 * Francis Hauksbee
 * René-Just Haüy
 * Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham
 * Oliver Heaviside
 * Werner Karl Heisenberg
 * Hermann von Helmholtz
 * Victor Henri
 * Sophus Henrichsen
 * Joseph Henry
 * Henry of Hesse
 * Paul Pierre Henry
 * John Herapath
 * Carl Heinrich Hermann
 * Hero of Alexandria
 * John Frederick William Herschel
 * Heinrich Rudolf Hertz
 * Victor Franz Hess
 * Johann Friedrich Christian Hessel
 * György Hevesy
 * Jaroslav Heyrovský
 * William Heytesbury
 * Maurice Neville Hill
 * Gustave Adolfe Hirn
 * Johann Wilhelm Hittorf
 * Thomas Hobbes
 * Ludwig Christian Friedrich Holborn
 * Arthur Holmes
 * Kotaro Honda
 * Robert Hooke
 * John Hopkinson
 * William Huggins
 * Albert Wallace Hull
 * Frederick Vinton Hunt
 * James Hutton
 * Christiaan Huygens
 * Egil Andersen Hylleraas
 * Leopold Infeld
 * Jan Ingen-Housz
 * Abram Fedorovich Ioffe
 * Jun Ishiwara
 * Herbert Eugene Ives
 * Moritz Hermann von Jacobi
 * Frans Maurits Jaeger
 * Zacharias Jansen
 * Pierre Jules César Janssen
 * James Hopwood Jeans
 * Louis Joblot
 * John of Murs
 * Frédéric Joliot
 * Irène Joliot-Curie
 * Philipp Johann Gustav von Jolly
 * John Joly
 * Ernst Pascual Jordan
 * James Prescott Joule
 * Willem Henri Julius
 * Theodor Franz Eduard Kaluza
 * Kamāl al-Dīn Abu'l Ḥasan Muḥammad ibn al-Ḥasan al-Fārisī
 * Heike Kamerlingh Onnes
 * Walter Kaufmann
 * Heinrich Johannes Gustav Kayser
 * Willem Hendrik Keesom
 * John Keill
 * Alexander Blackie William Kennedy
 * Johannes Kepler
 * John Kerr
 * Rem Victorovich Khokhlov
 * Abu' L-Qāsim ʿUbayd AllāhʿAbd Allāh ibn Khurradādhbih
 * Ebenezer Kinnersley
 * Gustav Robert Kirchhoff
 * Oskar Benjamin Klein
 * Ewald Georg von Kleist
 * Samuel Klingenstierna
 * Georg Simon Klügel
 * Martin Hans Christian Knudsen
 * Vern Oliver Knudsen
 * Nikolai Yevgrafovich Kochin
 * Johann Samuel Koenig
 * Karl Rudolph Koenig
 * Gabriel Koenigs
 * Friedrich Wilhelm Georg Kohlrausch
 * Rudolph Herrmann Arndt Kohlrausch
 * Gury Vasilievich Kolosov
 * Arthur König
 * Miklós von Konkoly Thege
 * Walther Kossel
 * Lew Kowarski
 * Jens Kraft
 * Hendrik Anthony Kramers
 * Chrétien Kramp
 * Torichan Pavlovich Kravets
 * August Karl Krönig
 * Iurii Aleksandrovich Krutkov
 * Johannes Petrus Kuenen
 * August Adolph Kundt
 * Igor Vasilievich Kurchatov
 * Ferdinand Kurlbaum
 * Rudolf Walther Ladenburg
 * Philippe de La Hire
 * Horace Lamb
 * Johann Heinrich Lambert
 * Johann von Lamont
 * Lev Davidovich Landau
 * Grigory Samuilovich Landsberg
 * Jonathan Homer Lane
 * Paul Langevin
 * Samuel Pierpont Langley
 * Irving Langmuir
 * Pierre-Simon Marquis de Laplace
 * Arthur-Auguste de La Rive
 * Charles-Gaspard de La Rive
 * Karl Lark-Horovitz
 * Joseph Larmor
 * Jakob Johann Laub
 * Max von Laue
 * Pierre Alphonse Laurent
 * Fritz H. Laves
 * Ernest Orlando Lawrence
 * Petr Petrovich Lazarev
 * Petr Nikolaevich Lebedev
 * John Leconte
 * Otto Lehmann
 * Aleksandr Il'ich Leipunskii
 * Georges Lemaître
 * Louis-Guillaume Le Monnier
 * Philipp Lenard
 * John Edward Lennard-Jones
 * Emil Khristianovich Lenz
 * Charles Le Roy
 * Jean-Baptiste Le Roy
 * George-Louis Lesage
 * Jacques-Alexandre Le Tenneur
 * Levi Ben Gerson
 * Tullio Levi-Civita
 * Leonid Samuilovich Leybenzon
 * Georg Christoph Lichtenberg
 * Il'ia Mikhailovich Lifshits
 * Frederick Alexander Lindemann
 * Heinrich Friedrich Link
 * Gabriel Jonas Lippmann
 * Jules Antoine Lissajous
 * Joseph Jackson Lister
 * Humphrey Lloyd
 * Joseph Norman Lockyer
 * Oliver Joseph Lodge
 * Mikhail Vasilievich Lomonosov
 * Fritz London
 * Heinz London
 * Dame Kathleen Yardley Lonsdale
 * Hendrik Antoon Lorentz
 * Ludwig Valentin Lorenz
 * Giuseppe Lorenzoni
 * Johann Joseph Loschmidt
 * Augustus Edward Hough Love
 * Peter Ivanovich Lukirskii
 * Otto Richard Lummer
 * Theodore Lyman
 * Bernard Lyot
 * James MacCullagh
 * Ernst Mach
 * Felix Karl Ludwig Machatschki
 * John Cunningham McLennan
 * Jean-Hyacinthe de Magellan
 * Raffaello Magiotti
 * Valeriano Magni
 * Heinrich Gustav Magnus
 * Emanuel Maignan
 * Jean Jacques D'Ortous de Mairan
 * Ettore Majorana
 * Dmitry Dmitrievich Maksutov
 * Étienne Louis Malus
 * Leonid Isaakovich Mandelshtam
 * Johannes Marcus Marci of Kronland
 * Guglielmo Marconi
 * Max Margules
 * Edme Mariotte
 * Giovanni Marliani
 * Ernest Marsden
 * David Forbes Martyn
 * Éleuthère Élie Nicolas Mascart
 * Antoine-Philibert Masson
 * Émile Léonard Mathieu
 * Carlo Matteucci
 * Motonori Matuyama
 * Charles Victor Mauguin
 * Pierre Louis Moreau de Maupertuis
 * Francesco Maurolico
 * James Clerk Maxwell
 * Alfred Marshall Mayer
 * Julius Robert Mayer
 * Maria Goeppert Mayer
 * William Frederick Meggers
 * Walther Meissner
 * Lise Meitner
 * Macedonio Melloni
 * Thomas Melvill
 * Marin Mersenne
 * Jean- Baptiste-Marie-Charles Meusnier de la Place
 * Albert Abraham Michelson
 * Gustav Mie
 * Dayton Clarence Miller
 * William Allen Miller
 * William Hallowes Miller
 * Robert Andrews Millikan
 * Edward Arthur Milne
 * Henri Mineur
 * Gerard Moll
 * Richard Mollier
 * Samuel Molyneux
 * William Molyneux
 * Geminiano Montanari
 * Edward Williams Morley
 * Henry Gwyn Jeffreys Moseley
 * Ottaviano Fabrizio Mossotti
 * Gustav Müller
 * Johann Müller
 * Georg Wilhelm Muncke
 * Petrus van Musschenbroek
 * Claude Mydorge
 * Hantaro Nagaoka
 * Edward Nairne
 * Władysław Natanson
 * Hermann Walther Nernst
 * Carl Gottfried Neumann
 * Franz Ernst Neumann
 * Hugh Frank Newall
 * Isaac Newton
 * Jean-François Niceron
 * Ernest Fox Nichols
 * John William Nicholson
 * William Nicol
 * Nicomachus of Gerasa
 * Paul Niggli
 * Yoshio Nishina
 * Friedrich Adolph Nobert
 * Leopoldo Nobili
 * Étienne Noël
 * Jean-Antoine Nollet
 * Robert Norman
 * Boris Vasilievich Numerov
 * Ernst Kraft Wilhelm Nusselt
 * Hans Christian Oersted
 * Georg Simon Ohm
 * Karol Stanisław Olszewski
 * Lars Onsager
 * J. Robert Oppenheimer
 * Aleksandr Yakovlevich Orlov
 * Sergey Vladimirovich Orlov
 * Leonard Salomon Ornstein
 * Friedrich Wilhelm Ostwald
 * Antonio Pacinotti
 * Friedrich Adolf Paneth
 * Nikolai Dmitrievich Papaleksi
 * Ignace Gaston Pardies
 * Antoine Parent
 * Blaise Pascal
 * Louis Carl Heinrich Friedrich Paschen
 * Louis Pasteur
 * Wolfgang Pauli
 * John Pecham
 * George Braxton Pegram
 * Benjamin Osgood Peirce
 * Jean Charles Athanase Peltier
 * Henry Pemberton
 * Benedictus Pereira
 * Jean-Baptiste Gaspard Gustav Alfred Pérot
 * Pierre de Peter Peregrinus
 * Alexis Thérèse Petit
 * Pierre Petit
 * Vasily Vladimirovich Petrov
 * Esprit Pezenas
 * Philo of Byzantium
 * Auguste Piccard
 * Marc-Auguste Pictet
 * Raoul-Pierre Pictet
 * George Washington Pierce
 * George Placzek
 * Max Karl Ernst Ludwig Planck
 * Joseph Antoine Ferdinand Plateau
 * John Playfair
 * Julius Plücker
 * Johann Christian Poggendorff
 * Robert Wichard Pohl
 * Jules-Henri Poincaré
 * Jean Léonard Marie Poiseuille
 * Simeon-Denis Poisson
 * Giovanni Poleni
 * Giuseppe Saverio Poli
 * Pierre Polinière
 * Isaak Iakovlevich Pomeranchuk
 * Aleksandr Stepanovich Popov
 * Ignazio Porro
 * Claude-Servais-Mathias Pouillet
 * Baden Powell
 * Cecil Frank Powell
 * John Henry Poynting
 * Ludwig Prandtl
 * Isaac-Bénédict Prévost
 * Pierre Prevost
 * Joseph Priestley
 * Ernst Pringsheim
 * Charles Pritchard
 * Joseph Privat de Molières
 * Carl Pulfrich
 * Michael Idvorsky Pupin
 * Georg Hermann Quincke
 * Quṭb al-Dīn al-Shīrāzī
 * Chandrasekhara Venkata Raman
 * Carl Wilhelm Ramsauer
 * Lewis Stephen Ramsdell
 * Peter Ramus
 * Alexander Oliver Rankine
 * William John Macquorn Rankine
 * Arthur Cowper Ranyard
 * Auguste Camille Edmond Rateau
 * René-Antoine Ferchault de Réaumur
 * Erich Rudolph Alexander Regener
 * Henri Victor Regnault
 * Harry Fielding Reid
 * Osborne Reynolds
 * Annibale Riccò
 * Owen Willans Richardson
 * Jean Richer
 * Georg Wilhelm Richmann
 * Floyd Karker Richtmyer
 * Eduard Riecke
 * Georg Friedrich Bernhard Riemann
 * Augusto Righi
 * Friedrich Risner
 * Johann Wilhelm Ritter
 * Walter Ritz
 * Gilles Personne de Roberval
 * John Robison
 * Édouard Albert Roche
 * Jean-Baptiste Louis Romé de L'Isle
 * Wilhelm Conrad Röntgen
 * Ogden Nicholas Rood
 * Gustav Rose
 * Hans Oswald Rosenberg
 * Francesco Rossetti
 * Henry Augustus Rowland
 * Dmitry Sergeevich Rozhdestvensky
 * Heinrich Rubens
 * Carl David Tolmé Runge
 * Henry Norris Russell
 * Ernest Rutherford
 * Lewis Morris Rutherfurd
 * Johannes Rydberg
 * Edward Sabine
 * Paul Earls Sabine
 * Wallace Clement Ware Sabine
 * Georges M. M. Sagnac
 * Meghnad Saha
 * Shoichi Sakata
 * Aleksandr Filippovich Samoylov
 * Frederick Albert Saunders
 * Joseph Sauveur
 * Félix Savart
 * Julius Scheiner
 * Paul Hermann Scherrer
 * Johann Jakob Scheuchzer
 * Leonard Isaac Schiff
 * Bernhard Voldemar Schmidt
 * Carl August von Schmidt
 * Johann Friedrich Julius Schmidt
 * Arthur Moritz Schoenflies
 * Basil Ferdinand Jamieson Schonland
 * Charles Anthony Schott
 * Gaspar Schott
 * Erwin Schrödinger
 * Arthur Schuster
 * Johann Salomo Christoph Schweigger
 * Angelo Secchi
 * Thomas Seebeck
 * János-András Segner
 * Marc Seguin
 * Henri Hureau de Sénarmont
 * Lucius Annaeus Seneca
 * Vsevolod Vasilievich Sharonov
 * William Napier Shaw
 * Grigory Abramovich Shayn
 * Walter Andrew Shewhart
 * James Short
 * Alexei Vasilievich Shubnikov
 * Henry Friedrich Wilhelm Siedentopf
 * Karl Manne Georg Siegbahn
 * Ernst Werner von Siemens
 * Joseph- Aignan Sigaud de Lafond
 * Pierre Sigorgne
 * Franz Eugen Simon
 * John Clarke Slater
 * Louis Byrne Slichter
 * Adolf Gustav Stephan Smekal
 * Robert Smith
 * Marian Smoluchowski
 * Willebrord Snel
 * Charles Percy Snow
 * Frederick Soddy
 * Leonhard Sohncke
 * Jean-Baptiste-François Soleil
 * Arnold Sommerfeld
 * Walthère Victor Spring
 * Johannes Stark
 * Josef Stefan
 * Karl August Steinheil
 * Aleksandr Vasil'evich Stepanov
 * Joseph Stepling
 * Otto Stern
 * Pavel Karlovich Sternberg
 * Stanley Smith Stevens
 * Balfour Stewart
 * George Gabriel Stokes
 * Aleksandr Grigorievich Stoletov
 * Edmund Clifton Stoner
 * George Johnstone Stoney
 * Fredrik Carl Mülertz Størmer
 * Samuel Wesley Stratton
 * Erwin Stresemann
 * John William Strutt
 * Robert Strutt
 * William Sturgeon
 * Charles-François Sturm
 * William Sutherland
 * Harald Ulrik Sverdrup
 * William Francis Gray Swann
 * Jan Hendrik van Swinden
 * Robert Symmer
 * Synesius of Cyrene
 * Leo Szilard
 * Peter Guthrie Tait
 * Igor Evgenievich Tamm
 * Aikitsu Tanakadate
 * Geoffrey Ingram Taylor
 * Nikola Tesla
 * Louis Thollon
 * Alvaro Thomaz
 * Benjamin Thompson
 * Silvanus Phillips Thompson
 * George Paget Thomson
 * Joseph John Thomson
 * Sir William Thomson
 * Gavriil Adrianovich Tikhov
 * Johann Daniel Titius
 * Richard Chace Tolman
 * Sin-Itiro Tomonaga
 * Evangelista Torricelli
 * John Sealy Edward Townsend
 * Edward Troughton
 * Frederick Thomas Trouton
 * John Trowbridge
 * Ehrenfried Walther Tschirnhaus
 * Göte Wilhelm Turesson
 * Alfred Edwin Howard Tutton
 * Merle Antony Tuve
 * Nikolai Alexeevich Umov
 * Harold Clayton Urey
 * Robert Jemison Van de Graaff
 * John Hasbrouck Van Vleck
 * Sergey Ivanovich Vavilov
 * Lars Vegard
 * Vladimir Iosifovich Veksler
 * Felix Andries Vening Meinesz
 * Marcel Émile Verdet
 * Sergei Nikolaevich Vernov
 * Paul Villard
 * Emilio Villari
 * Jules Louis Gabriel Violle
 * Hermann Carl Vogel
 * Woldemar Voigt
 * Paul Oskar Eduard Volkmann
 * Alessandro Giuseppe Antonio Anastasio Volta
 * Johann Von Neumann
 * Johannes Diderik van der Waals
 * Walter of Odington
 * Emil Gabriel Warburg
 * John James Waterston
 * William Watson
 * Robert Alexander Watson-Watt
 * Ernst Heinrich Weber
 * Wilhelm Eduard Weber
 * Arthur Gordon Webster
 * David Locke Webster
 * Alfred Lothar Wegener
 * Arthur Rudolph Berthold Wehnelt
 * Christian Samuel Weiss
 * Pierre Weiss
 * Gregor Wentzel
 * Hermann Weyl
 * Charles Wheatstone
 * Alfred North Whitehead
 * Edmund Taylor Whittaker
 * Emil Wiechert
 * Gustav Heinrich Wiedemann
 * Wilhelm Carl Werner Otto Fritz Franz Wien
 * Ludwig Christian Wiener
 * Otto Wiener
 * Johan Carl Wilcke
 * Ludwig Ferdinand Wilhelmy
 * Benjamin Wilson
 * Charles Thomson Rees Wilson
 * Edwin Bidwell Wilson
 * Harold Albert Wilson
 * Witelo
 * William Hyde Wollaston
 * Robert Williams Wood
 * Robert Simpson Woodward
 * Zygmunt Florenty von Wróblewski
 * Georg Wulff
 * Hideki Yukawa
 * William Houlder Zachariasen
 * Pieter Zeeman
 * Frits Zernike
 * Gustav Anton Zeuner
 * Johann Karl Friedrich Zöllner
 * Niccolò Zucchi
 * Fritz Zwicky

?

 * Hibat Allah Abu'l-Barakāt al-Baghdādī
 * Florentino Ameghino
 * Antiphon
 * Dmitrii Nikolaevich Anuchin
 * Aristotle
 * Karl Ernst von Baer
 * Alexander Bain
 * John Banister
 * Benjamin Smith Barton
 * Johann Joachim Becher
 * Johann Beckmann
 * Georg von Békésy
 * Vladimir Mikhailovich Bekhterev
 * Hippolyte Bernheim
 * Irénée-Jules Bienaymé
 * Alfred Binet
 * Davidson Black
 * Alberto-Carlo Blanc
 * Johann Friedrich Blumenbach
 * Franz Boas
 * Pierre Paul Broca
 * George Busk
 * Peter Camper
 * James McKeen Cattell
 * George Ellett Coghill
 * Isidore Auguste Marie François Xavier Comte
 * Étienne Bonnot Abbé de Condillac
 * Achille-Pierre Dionis du Séjour
 * Pierre-Charles-François Dupin
 * William Frédéric Edwards
 * Friedrich Engels
 * Giovanni Valentino Mattia Fabbroni
 * Gustav Theodor Fechner
 * Julien Fraipont
 * James George Frazer
 * Sigmund Freud
 * Gustav Theodor Fritsch
 * Franz Joseph Gall
 * Francis Galton
 * Prosper Garnot
 * Arnold Lucius Gesell
 * Louis Pierre Gratiolet
 * John Graunt
 * Jean Paul Gua de Malves
 * Granville Stanley Hall
 * Roland McMillan Harper
 * David Hartley
 * Samuel Hartlib
 * Johann Friedrich Herbart
 * Karl Ewald Konstantin Hering
 * Charles Judson Herrick
 * Thomas Hobbes
 * Jan van der Hoeven
 * Victor Alexander Haden Horsley
 * David Hume
 * James Hunt
 * Thomas Henry Huxley
 * William James
 * Thomas Jefferson
 * William Stanley Jevons
 * Carl Gustav Jung
 * Johann Heinrich Gottlob von Justi
 * Arthur Keith
 * John Maynard Keynes
 * Khaldūn Ibn
 * Wolfgang Köhler
 * Jens Kraft
 * Stepan Petrovich Krasheninnikov
 * Julien Offray de La Mettrie
 * Carl Georg Lange
 * Louis Lapicque
 * Karl Spencer Lashley
 * Antoine-Laurent Lavoisier
 * Louis Seymour Bazett Leakey
 * Vladimir Ilyich Lenin
 * Alfred James Lotka
 * Sir John Lubbock
 * Ernst Mach
 * Thomas Robert Malthus
 * Paolo Mantegazza
 * Rudolf Martin
 * Karl Friedrich Philipp von Martius
 * Karl Marx
 * Franz Anton Mesmer
 * John Stuart Mill
 * Charles-Louis de Secondat Montesquieu
 * Conwy Lloyd Morgan
 * Louis-Laurent Gabriel de Mortillet
 * Samuel George Morton
 * Georg Elias Müller
 * Agostino Nifo
 * William of Ockham
 * Olaus Magnus
 * Garcia d' Orta
 * Ivan Petrovich Pavlov
 * William Petty
 * Augustus Henry Lane Fox Pitt-Rivers
 * Mihály Polányi
 * Grigory Nikolaevich Potanin
 * John Wesley Powell
 * James Cowles Prichard
 * Franz Ignace Pruner Bey
 * Raphael Pumpelly
 * Frederic Ward Putnam
 * Jean- Louis-Armand de Quatrefages de Bréau
 * Friedrich Ratzel
 * Anders Adolf Retzius
 * Magnus Gustaf Retzius
 * Charles Robert Richet
 * Émile- Valère Rivière de Précourt
 * George Rolleston
 * George John Romanes
 * Ezra Dwight Sanderson
 * Satō Nobuhiro
 * Karl Sax
 * Henry Rowe Schoolcraft
 * Ivan Mikhaylovich Sechenov
 * Samuel Thomas Soemmerring
 * William Johnson Sollas
 * Herbert Spencer
 * Johann Christoph Spurzheim
 * Stanley Smith Stevens
 * Abu'l-Ḥasan ʿAlī ibn Sahl Rabbān al-Ṭabarī
 * Jean Léo Testut
 * Themistius
 * John Thurnam
 * Joseph Townsend
 * Cuthbert Tunstall
 * Anne-Robert-Jacques Turgot
 * Pierre-François Verhulst
 * Rudolf Carl Virchow
 * Juan Luis Vives
 * Constantin-François Chasse-Boeuf Volney
 * Rudolph Wagner
 * Abraham Wald
 * Pehr Wilhelm Wargentin
 * Maximilian Zu Wied
 * Wilhelm Wundt
 * Robert Mearns Yerkes

?

 * ʿAbbās ibn Firnās
 * Alexander Agassiz
 * Leone Battista Alberti
 * Carl Theodor Albrecht
 * Giovan Battista Amici
 * Jakob Amsler
 * Archimedes
 * Edwin Howard Armstrong
 * Jean- François d' Aubuisson de Voisins
 * Hertha Ayrton
 * Charles Babbage
 * Henry Baker
 * Balbus
 * Bernardino Baldi
 * Heinrich Georg Barkhausen
 * Franz Andreas Bauer
 * Lionel Smith Beale
 * Johann Beckmann
 * Isaac Beeckman
 * Henri Béghin
 * Bernard Forest de Bélidor
 * Alexander Graham Bell
 * Faddei F. Bellinsgauzen
 * Hans Berger
 * Lloyd Viel Berkner
 * Jakob Bernoulli
 * Louis-Émile Bertin
 * Henry Bessemer
 * Augustin de Betancourt y Molina
 * Nicolas Bion
 * André Eugène Blondel
 * Nicolas-François Blondel
 * Étienne Bobillier
 * Giovanni Alfonso Borelli
 * Bodo von Borries
 * Charles Bossut
 * Edmond Bour
 * Eugène Bourdon
 * Joseph Valentin Boussinesq
 * Nikolai Dmitrievich Brashman
 * Louis François Clément Breguet
 * Johan August Brinell
 * Francesco Brioschi
 * Barnabé Brisson
 * Ernest William Brown
 * Filippo Brunelleschi
 * Viktor Yakovlevich Bunyakovsky
 * Paolo del Buono
 * Vannevar Bush
 * Louis Paul Cailletet
 * Hugh Longbourne Callendar
 * Giuseppe Campani
 * Charles-Étienne-Louis Camus
 * Lazare-Nicolas- Marguerite Carnot
 * Benedetto Castelli
 * Alberto Castigliano
 * Augustin-Louis Cauchy
 * Sergei Alekseevich Chaplygin
 * Jean-Baptiste Charcot
 * Louis-Marie- Hilaire Bernigaud Chardonnet
 * Jean François Chazy
 * Nicholas Constantine Christofilos
 * Alexis-Claude Clairaut
 * Benoit-Pierre-Émile Clapeyron
 * Josiah Latimer Clark
 * Georges Claude
 * Ludvig August Colding
 * Charles-Pierre-Mathieu Combes
 * Leslie John Comrie
 * William Congreve
 * Gaspard Gustave de Coriolis
 * Martín Cortes de Albacar
 * Eugène Maurice Pierre Cosserat
 * Frederick Gardner Cottrell
 * Charles Augustin Coulomb
 * Gaspard le Compasseur de Créquy- Montfort Courtivron
 * August Leopold Crelle
 * Ctesibius
 * Germinal Pierre Dandelin
 * Erasmus Darwin
 * August Yulevich Davidov
 * Jan Cornets De Groot
 * Warren De La Rue
 * Charles-Eugène Delaunay
 * Marcel Deprez
 * Charles Derosne
 * René du Perron Descartes
 * Nicolas Desmarest
 * Denis Diderot
 * Eustachio Divini
 * Giovanni Dondi
 * Cornelius Drebbel
 * Hugh Latimer Dryden
 * Pierre-Louis-Georges Du Buat
 * Robert Dudley
 * Guillaume-Henri Dufour
 * Henri- Louis Duhamel du Monceau
 * Pierre-Maurice-Marie Duhem
 * Louis-Isidore Duperrey
 * Wallace John Eckert
 * Thomas Alva Edison
 * Aleksandr Aleksandrovich Eichenwald
 * Friedrich Engels
 * Hans Conrad Escher von der Linth
 * Leonhard Euler
 * Johann Albert C. Eytelwein
 * Louis Fabry
 * James Ferguson
 * Galileo Ferraris
 * Reginald Aubrey Fessenden
 * John Ambrose Fleming
 * August Föppl
 * Jean Nicolas Fortin
 * Benoît Fourneyron
 * Joseph Fraunhofer
 * Aleksandr Aleksandrovich Friedman
 * William Froude
 * Dennis Gabor
 * Aimable Jean-Baptiste Gaillot
 * Boris Grigorievich Galerkin
 * Henri-Prudence Gambey
 * Johann Heinrich Wilhelm Geissler
 * Henry Gellibrand
 * Giovanni Giorgi
 * Pierre-Simon Girard
 * Wilhelm Friedrich von Gleichen-Russworm
 * Robert Hutchings Goddard
 * Thomas Godfrey
 * George Graham
 * Zénobe-Théophile Gramme
 * Franz Grashof
 * Howard Grubb
 * Thomas Grubb
 * Otto von Guericke
 * Edmund Gunter
 * Louis Bernard Guyton de Morveau
 * Jean Nicolas Pierre Hachette
 * John Hadley
 * William Hale
 * William Rowan Hamilton
 * William Hampson
 * Maurice Théodore Adolphe Hamy
 * William Webster Hansen
 * John Harrison
 * Pieter Harting
 * Georg Hartmann
 * Nicolaas Hartsoeker
 * Francis Hauksbee
 * Oliver Heaviside
 * Daniel Friedrich Hecht
 * Friedrich Franz von Hefner-Alteneck
 * Martin Heidenhain
 * Sigismund Friedrich Hermbstaedt
 * Hero of Alexandria
 * Johannes Hevelius
 * Emil Heyn
 * Kiyotsugu Hirayama
 * Eaton Hodgkinson
 * Maksymilian Tytus Huber
 * Pierre Henri Hugoniot
 * Tadataka Inō
 * Abram Fedorovich Ioffe
 * Pierre Armand Jacquet
 * Abu-l-ʿizz Ismāʿīl ibn al-Razzāz al-Jazarīʿ
 * Thomas Jefferson
 * Henry Charles Fleeming Jenkin
 * Frank Baldwin Jewett
 * Louis Joblot
 * Jordanus de Nemore
 * László Kalmár
 * Theodore von Kármán
 * Alexander Blackie William Kennedy
 * Arthur Edwin Kennelly
 * Charles Franklin Kettering
 * Abu'l-Fatḥ ʿAbd al-Raḥmān al-Khāzinī
 * David Kirkaldy
 * Gabriel Koenigs
 * August Karl Johann Valentin Köhler
 * Gury Vasilievich Kolosov
 * Sergey Pavlovich Korolev
 * Aleksandr Petrovich Kotelnikov
 * Cornelis Rudolphus Theodorus Krayenhoff
 * Aleksei Nikolaevich Krylov
 * Thomas Fantet de Lagny
 * Joseph Louis Lagrange
 * Bernard Lamy
 * Frederick William Lanchester
 * Marsilio Landriani
 * Claude Langlois
 * Michael Florent van Langren
 * Pierre-Simon Marquis de Laplace
 * Aimé Laussedat
 * Mikhail Petrovich Lazarev
 * Claude-Nicolas Le Cat
 * Léon François Alfred Lecornu
 * Antoni van Leeuwenhoek
 * Jacques Lemaire
 * Leonardo da Vinci
 * Jean-Baptiste Le Roy
 * Urbain-Jean-Joseph Le Verrier
 * Maurice Lévy
 * William Lewis
 * Leonid Samuilovich Leybenzon
 * Carl von Linde
 * João de Lisboa
 * Vladimir Mikhaylovich Lokhtin
 * Hans Lorenz
 * Aleksandr Mikhailovich Lyapunov
 * Jean-Hyacinthe de Magellan
 * Raffaello Magiotti
 * Shihāb al-Dīn Aḥmad ibn Mājid ibn Mājid
 * Robert Mallet
 * Eustachio Manfredi
 * Guglielmo Marconi
 * Edme Mariotte
 * Giovanni Marliani
 * Adolf Martens
 * Benjamin Martin
 * Francesco di Giorgio di Martini
 * Pedro de Medina
 * Luigi Federico Menabrea
 * Christopher Merrett
 * Marin Mersenne
 * Ivan Vsevolodovich Meshchersky
 * Adriaen Metius
 * Jean- Baptiste-Marie-Charles Meusnier de la Place
 * Famiano Michelini
 * Richard von Mises
 * Christian Otto Mohr
 * Nikolay Dmitrievich Moiseev
 * Friedrich Rudolf Heinrich Carl Moll
 * Gaspard Monge
 * Geminiano Montanari
 * Guidobaldo Monte
 * Jacques-Philippe Mérigon de Montgéry
 * Étienne Jacques de Montgolfier
 * William Moore
 * Samuel Morland
 * Théodore Florentin Moutard
 * Heinrich Müller-Breslau
 * Carl Wilhelm von Naegeli
 * James Nasmyth
 * Claude-Louis-Marie- Henri Navier
 * John Turberville Needham
 * Aleksandr Ivanovich Nekrasov
 * Antonio Neri
 * Thomas Newcomen
 * Isaac Newton
 * William Nicholson
 * Friedrich Adolph Nobert
 * Robert Norman
 * Richard Norwood
 * Mikhail Vasilievich Ostrogradsky
 * François Marie Guyonneau de Pambour
 * Denis Papin
 * Blaise Pascal
 * Rembrandt Peale
 * Benedictus Pereira
 * Duarte Pacheco Pereira
 * Joseph Jean Camille Pérès
 * Claude Perrault
 * Jean-Rodolphe Perronet
 * Nikolay Pavlovich Petrov
 * Philo of Byzantium
 * Jean François Pilatre de Rozier
 * Henri Pitot
 * Jules-Henri Poincaré
 * Louis Poinsot
 * Jean Victor Poncelet
 * Aleksandr Stepanovich Popov
 * Johann Heinrich Pott
 * Henry Power
 * Gaspard-François-Clair- Marie Riche de Prony
 * Victor Puiseux
 * Jesse Ramsden
 * William John Macquorn Rankine
 * Auguste Camille Edmond Rateau
 * René-Antoine Ferchault de Réaumur
 * Ferdinand Jakob Redtenbacher
 * Ferdinand Reech
 * Georg Friedrich von Reichenbach
 * Adolf Repsold
 * Franz Reuleaux
 * Osborne Reynolds
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 * Ostilio Ricci
 * Richard of Wallingford
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 * Aleksandr Filippovich Samoylov
 * Santorio Santorio
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 * Otto Friedrich Schott
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 * Armand Séguin
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 * Vasily Mikhaylovich Severgin
 * Charles William Siemens
 * Ernst Werner von Siemens
 * John Smeaton
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 * Osip Ivanovich Somov
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 * Frederick Winslow Taylor
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 * al-Ṣābiʾ al-Ḥarrānī Thābit ibn Qurra
 * Silvanus Phillips Thompson
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 * Gustav Anton Zeuner
 * Nikolay Egorovich Zhukovsky
 * Fritz Zwicky