Portal:History of science/Selected anniversaries/February 20

February 20:

 * 1762 - Death of Tobias Mayer, German astronomer (b. 1723)


 * 1771 - Death of Jean Jacques d'Ortous de Mairan, French geophysicist (b. 1678)


 * 1844 - Birth of Ludwig Boltzmann, Austrian physicist (d. 1906)


 * 1907 - Death of Henri Moissan, French chemist, Nobel Prize laureate (b. 1852)


 * 1909 - Publication of the Futurist Manifesto in the French journal Le Figaro


 * 1920 - Birth of Evgeny Dragunov, Russian weapons designer (d. 1991)


 * 1972 - Death of Maria Goeppert-Mayer, German physicist, Nobel laureate (b. 1906)


 * 1984 - Death of Paul Dirac, British theoretical physicist, Nobel Prize in Physics (b. 1902)


 * 2005 - Death of Tom Willmore, English geometer (b. 1919)


 * 2007 - Death of F. Albert Cotton, American chemist (b. 1930)