Births
1823 - Johannes Friedrich August von Esmarch, German surgeon
1868 - S. P. L. Sørensen, Danish chemist
1879 - John Broadus Watson, American psychologist
1922 - Har Gobind Khorana, Indian physiologist and Nobel Prize laureate
Deaths
1757 - Bernard le Bovier de Fontenelle, French scientist
1848 - Caroline Herschel, German-born astronomer
1911 - Edvard Rusjan, Slovene flight pioneer
1918 - Ãmile Reynaud, French scientist
1998 - Kenichi Fukui, Japanese chemist and Nobel Prize laureate