January 25th
1627 – Birth of Robert Boyle, Irish chemist
1736 – Birth of Joseph Louis Lagrange, Italian-born mathematician
1794 – Birth of François-Vincent Raspail, French chemist
1796 – Birth of William MacGillivray, Scottish naturalist and ornithologist
1881 – Thomas Edison and Alexander Graham Bell form the Oriental Telephone Company.
1900 – Birth of Theodosius Dobzhansky, Ukrainian-American geneticist and biologist
1915 – Alexander Graham Bell inaugurates U.S. transcontinental telephone service.
1917 – Birth of Ilya Prigogine, Russian-born physicist and chemist, Nobel Prize Laureate
1925 – Death of Ivan Vucetic, Croatian anthropologist
1949 – Birth of Paul Nurse, British biochemist, Nobel Prize Laureate
1994 – Death of Stephen Cole Kleene, American mathematician
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.