Karl Marx was a Jewish, German-born philosopher, economist, political theorist, historian, sociologist, journalist, and revolutionary socialist
Mao Zedong was a revolutionary Communist leader who spearheaded Chinas transformation into a socialist state.
Antonie Pannekoek was a Dutch astronomer and socialist theorist who made significant contributions to the understanding of the cosmos and the development of Marxist thought.
Doğu Perinçek is a Turkish politician, journalist, and former leader of the Patriotic Party, known for his nationalist and socialist views.