Portal:History of science/Selected anniversaries/August 21

August 21:

 * 1660 - Birth of Hubert Gautier, French scientist and civil engineer (d. 1737)


 * 1665 - Birth of Giacomo F. Maraldi, French-Italian astronomer (d. 1729)


 * 1789 - Birth of Augustin-Louis Cauchy, French mathematician (d. 1857)


 * 1813 - Birth of Jean Stas, Belgian chemist (d. 1891)


 * 1814 - Death of Benjamin Thompson, American physicist and inventor (b. 1753)


 * 1816 - Birth of Charles Frédéric Gerhardt, French chemist (d. 1856)


 * 1826 - Birth of Carl Gegenbaur, German anatomist (d. 1903)


 * 1836 - Death of Claude-Louis Navier, French physicist (b. 1785)


 * 1888 - The first successful adding machine in the United States is patented by William Seward Burroughs


 * 1909 - Birth of Nikolay Bogolyubov, Russian mathematician (d. 1992)


 * 1951 - Birth of Eric Goles, Chilean mathematician and computer scientist


 * 1957 - Death of Harald Ulrik Sverdrup, Norwegian meteorologist and oceanographer (b. 1888)


 * 1995 - Death of Subrahmanyan Chandrasekhar, Indian-born astrophysicist, Nobel laureate (b. 1910)