Portal:History of science/Selected anniversaries/January 25

January 25:

 * 1627 - Birth of Robert Boyle, Irish chemist (d. 1691)


 * 1726 - Death of Guillaume Delisle, French cartographer (b. 1675)


 * 1736 - Birth of Joseph-Louis Lagrange, Italian-born mathematician (d. 1813)


 * 1794 - Birth of François-Vincent Raspail, French chemist (d. 1878)


 * 1796 - Birth of William MacGillivray, Scottish naturalist and ornithologist (d. 1852)


 * 1881 - Thomas Edison and Alexander Graham Bell form the Oriental Telephone Company


 * 1900 - Birth of Theodosius Dobzhansky, Ukrainian-American geneticist and biologist (d. 1975)


 * 1917 - Birth of Ilya Prigogine, Russian scientist Nobel Laureate (d. 2003)


 * 1957 - Death of Kiyoshi Shiga, Japanese physician and bacteriologist (b. 1871)


 * 1994 - Death of Stephen Cole Kleene, American mathematician (b. 1909)


 * 2006 - Three independent observing campaigns announce the discovery of OGLE-2005-BLG-390Lb through gravitational microlensing, the first cool rocky/icy extrasolar planet around a main-sequence star