Jean-Paul Sartre, Noam Chomsky, Adolfo Gilly, João Pedro Stédile, David Harvey, Wang Hui, Francis Mulhern, Ernest Mandel, György Lukács, Giovanni Arrighi, Dorothy Thompson, Lucio Colletti, Jiri Pelikan, Luciana Castellina, Akira Asada, K. Damodaran, Hedda Korsch