1546 in science

The year 1546 in science and technology included a number of events, some of which are listed here.

Botany

 * Hieronymus Bock publishes the second, illustrated, edition of his flora of Germany, the Kreutterbuch.

Medicine

 * Antonio Musa Brassavola of Ferrara publishes the first definitely recorded successful tracheostomy.
 * Valerius Cordus' pharmacopoeia Dispensatorium published posthumously in Nuremberg.
 * Girolamo Fracastoro, in his De Contagione et Contagiosis Morbis (published in Venice), discusses the transmission of infectious diseases and gives the first description of typhus.
 * Giovanni Filippo Ingrassia describes the stapes bone of the middle ear.

Births

 * December 14 – Tycho Brahe, Danish astronomer (died 1601).
 * date unknown
 * Thomas Digges, English astronomer (died 1595)
 * Heo Jun, Korean physician (died 1615)
 * Katharina Kepler, née Guldenmann, German healer and mother of Johannes Kepler (died 1622)
 * approx. date – Paul Wittich, German astronomer and mathematician (died 1586)

Deaths

 * Ruy López de Villalobos, Spanish explorer (born 1500)