Karl Marx
Noam Chomsky
Raul Mandrini
Arrive Michel
Loris Zanatta
Michel Foucault
Alfredo Pucciarelli
Markus Gottsbacher, John De Boer
Jean Paul Collette
Nelida Archenti, Alberto Marradi
Paul Ricoeur
Andrea Fraser
William H. Mcneill
Kaspar Maase
Julian Sanz, Jose Babiano
Konrad Lorenz
Eduardo Galeano
Gudrun Kramer
Arthur Schopenhauer
Ulrich Beck
Olwen Hufton
Olalla Castro Hernández
Immanuel Wallerstein
Alejandro Grimson
Maurice Godelier
Bunge. Mario
Pierre Bourdieu
Joan E. Garcés
Julian Olivares, Elizabeth S. Boyce
Carlos Garcia Gual
Julia Kristeva
Erik Olin Wright
Nove Alec