Events
1971 - Launch of Salyut 1, the first space station.
Births
1874 - Ernst Rüdin, Swiss psychiatrist, geneticist, and eugenicist
1883 - Richard von Mises, Austrian-born mathematician
1912 - Glenn Seaborg, American chemist, Nobel Prize laureate
Deaths
1567 - Michael Stifel, German mathematician
1739 - Nicholas Saunderson, English mathematician
1831 - Johann Gottlieb Friedrich von Bohnenberger, German mathematician
1854 - Robert Jameson, Scottish naturalist
1882 - Charles Darwin, English biologist (above)
1906 - Pierre Curie, French physicist, Nobel Prize laureate
1914 - Charles Sanders Peirce, American philosopher and mathematician
1926 - Alexander Alexandrovich Chuprov, Russian statistician
2004 - John Maynard Smith, English evolutionary biologist