Helene Bauer, Karl Marx, Otto Neurath, Alexander Schljapnikow, Leo Trotzki, Rudolf Bahro, Nikolaj Bucharin, Paul Cockshott, Allin Cottrell, Pat Devine, Friedrich Engels, Wolfgang Harich, Rudolf Hilferding, Wladimir Iljitsch Lenin
Erich Apel, Ota Sik, Josef Stalin, Rudi Supek, Xue Muqiao, Zhao Ziyang, Charles Bettelheim, Nikolaj Bucharin, Maurice Dobb, Diane Elson, Wladimir Iljitsch Lenin, Jewsei Grigorjewitsch Liberman, Ernest Mandel, Günter Mittag
Karl Marx, Otto Bauer, Karl Renner, James Connolly, Ho Chi Minh, Mao Zedong, Harry Haywood, Karl Radek, Alexander Abusch, Anton Ackermann, Friedrich Engels, August Bebel, Karl Kautsky, Rosa Luxemburg, Wladimir Iljitsch Lenin, Josef Stalin, Leo Trotzki, Antonio Gramsci
Wladimir Iljitsch Lenin, Karl Kautsky, Isaac Steinberg, Errico Malatesta, Frantz Fanon, Martin Luther King, Eldridge Cleaver, Oskar Negt, Jean-Paul Sartre, Mao Zedong, Pierre Ramus, Wera Figner, Johann Most, Erich Mühsam, Gustav Landauer, Rosa Luxemburg, Leo Trotzki