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)