1541 - Michele Mercati, Italian physician
1818 - August Wilhelm von Hofmann, German chemist
1865 - Charles W. Woodworth, American entomologist
1869 - Harvey Cushing, American neurosurgeon
1911 - Melvin Calvin, American chemist, Nobel Prize laureate for discovering the Calvin Cycle (see…
1846 - Discovery of Neptune by Urbain Jean Joseph Le Verrier and John Couch Adams
1884 - Herman Hollerith patents his mechanical tabulating machine.
1999 - NASA announces that it has lost contact with the Mars Climate Orbiter.
1791 - Johann Franz Encke, German astronomer
1638 - Frederik Ruysch, Dutch physician and anatomist
1749 - Pierre Simon de Laplace, French mathematician and astronomer
1754 - Baron Jurij Vega, Slovenian mathematician, physicist, and artillery officer
1769 - William Smith, English cartographer (see above) and "Father of…
1971 - Launch of Salyut 1, the first space station.
1874 - Ernst RÃ¼din, Swiss psychiatrist, geneticist, and eugenicist
1883 - Richard von Mises, Austrian-born mathematician
1912 - Glenn Seaborg, American chemist, Nobel Prize laureate
1567 - Michael Stifel, German…