German philosopher, political economist, historian, sociologist, humanist, political theorist, and revolutionary credited as the founder of communism. Marx summarized his

Karl Kautsky (16 October 1854-17 October 1938), was one of the best-known theoreticians of the Second International and until 1914

Paul Lafargue was born in 1842 in Santiago, Cuba of mixed heritage. He moved with his family to France as

In 1921 a founder of Italian Communist Party. Wrote extensively while in prison under Mussolini from 1926 until his death.

“Freedom only for the supporters of the government, only for the members of one party – however numerous they may

1872-1952 “Alexandra Kollontai” by Tom Condit Russian Social-Democrat from the 1890s, active in international Socialist Women’s movement, and a member