Portal:History of science/Selected anniversaries/January 6

January 6:

 * 1561 - Birth of Thomas Fincke, Danish mathematician (d. 1656)


 * 1655 - Birth of Jakob Bernoulli, Swiss mathematician (d. 1705)


 * 1689 - Death of Seth Ward, English mathematician and astronomer (b. 1617)


 * 1731 - Death of Étienne François Geoffroy, French chemist (b. 1672)


 * 1795 - Birth of Anselme Payen, French chemist (d. 1871)


 * 1838 - Samuel Morse first successfully tests the electrical telegraph


 * 1884 - Death of Gregor Johann Mendel, Austrian geneticist (b. 1822)


 * 1885 - Death of Peter Christen Asbjørnsen, Norwegian writer and scientist (b. 1812)


 * 1907 - Birth of David Fleay, Australian naturalist (d. 1993)


 * 1918 - Death of Georg Cantor, German mathematician (b. 1845)


 * 1920 - Birth of John Maynard Smith, English biologist (d. 2004)


 * 1931 - Thomas Edison submits his last patent application


 * 1932 - Birth of Stuart A. Rice, American chemist


 * 1945 - Death of Vladimir Vernadsky, Russian mineralogist (b. 1863)


 * 1980 - The beginning of the first GPS epoch


 * 1990 - Death of Pavel Alekseyevich Čerenkov, Russian physicist, Nobel Prize laureate (b. 1904)