Karl Marx, Friedrich Engels, August Bebel, Karl Kautsky, Rosa Luxemburg, Wladimir Iljitsch Lenin, Josef Stalin, Leo Trotzki, Antonio Gramsci, Otto Bauer, Karl Renner, James Connolly, Ho Chi Minh, Mao Zedong, Harry Haywood, Karl Radek, Alexander Abusch, Anton Ackermann & Stefan Bollinger
Karl Kautsky, Emil Ludwig, Rosa Luxemburg, Karl Radek, Ricarda Huch, Pjotr Alexejewitsch Kropotkin, Wladimir Korolenko, Louise Aston, Ernst Toller, Clara Zetkin & Bertha von Suttner
Karl Kautsky, August Bebel, Ernst Toller, Clara Zetkin, Franz Mehring, Ricarda Huch, Karl Radek, Rosa Luxemburg, Peter Kropotkin, Emil Ludwig & Leo Trotzki
Wladimir Iljitsch Lenin, Mao Zedong, Pierre Ramus, Wera Figner, Johann Most, Erich Mühsam, Gustav Landauer, Rosa Luxemburg, Leo Trotzki, Karl Kautsky, Isaac Steinberg, Errico Malatesta, Frantz Fanon, Martin Luther King Jr., Eldridge Cleaver, Oskar Negt, Jean-Paul Sartre & Felix Wemheuer
Karl Kautsky, Emil Ludwig, Rosa Luxemburg, Karl Radek, Ricarda Huch, Pjotr Alexejewitsch Kropotkin, Wladimir Korolenko, Louise Aston, Ernst Toller, Clara Zetkin, Bertha von Suttner & Giuseppe Garibaldi
