On This Day

Leader of the Islamic State

Canadian athlete, humanitarian, and cancer research activist

Venezuelan politician, 56th president of Venezuela

English keyboardist, co-founder of Pink Floyd

Spanish football player and manager

First Lady of the United States from 1961 to 1963

American physician, geneticist and Nobel prize winner

20th-century American physicist

Austrian-British philosopher of science and social and política e falsificationism and for criticism of Plato, Hegel and Marx as totalitarian opponents of open society

French painter, sculptor, and chess player

British children's writer and illustrator

British molecular biologist, biophysicist, neuroscientist; co-discoverer of the structure of DNA

British chemist

Norwegian economist and econometrician

Canadian-American actress

Swedish ophthalmologist

brother of Napoleon Bonaparte; King of Naples (1806–08) and Spain (1808–13)

French mathematician, inventor of descriptive geometry and father of differential geometry

Philosopher, military and political leader

French revolutionary lawyer and politician

French novelist and dramatist