Leading Figures in History

Discover the people who shaped our world — from rulers and scientists to artists and activists.

21513 persons found

Leo Arnaud

French-American arranger and composer (1904–1991)

Leo Buscaglia

American professor of special education, motivational speaker, author (1924–1998)

Léo Cadieux

Canadian politician (1908-2005)

Léo Dandurand

Leo Franco

b. 1977

Argentine former professional footballer

Leo Frobenius

b. 1873

German ethnologist and archaeologist (1873–1938)

Leo Goodwin (swimmer)

American Olympic swimmer, diver, and water polo player (1883–1957)

Leo Gorcey

American actor (1917–1969)

Leo Gravelle

b. 1925

Canadian ice hockey player

Leo I, King of Armenia

King of Armenian Cilicia from 1198/99 to 1219

Leo III the Isaurian

Byzantine emperor from 717 to 741

Léo Jaime

b. 1960

Musical artist

Leo Jud

Swiss reformer (1482–1542)

Léo Júnior

b. 1954

Brazilian footballer

Leo Kanner

b. 1894

Austrian-American physician and psychiatrist

Leo Lionni

b. 1910

Dutch-Italian artist and children's writer

Leo Passianos

Leo Picard

b. 1900

Israeli geologist (1900–1997)

Leo Reise

b. 1892

Canadian ice hockey player

Leo Rosner

b. 1918

Australian musician and Holocaust survivor

Leo Ryan

b. 1925

American politician and teacher (1925–1978)

Leo Sayer

b. 1948

British singer (born 1948)

Leo Smit (Dutch composer)

b. 1900

Dutch composer

Leo Szilard

Hungarian-American physicist and inventor (1898–1964)