People by ideology

Social Democrats

David Ben-Gurion Willy Brandt Tommy Douglas Wilhelm Liebknecht Golda Meir Clement Atlee Tony Blair

Democratic Socialists

Hugo Chavez John Stuart Mill Bernie Sanders George Orwell Evo Morales Jack London John Steinbeck Ernest Hemingway

Marxists

Karl Marx Frederich Engels Che Guevera

Communists

Vladimir Lenin Leon Trotsky Joseph Stalin Fidel Castro Rosa Luxembourg