Robert A. Dahl
San Román Espinosa, Teresa
Alejandra Vallejo-nágera
Jacques Le Goff
Artal, Rosa María
Dethlefsen, Thorwald; Dahlke, Ruediger
Jeremy Rifkin
Stanley G. Payne
Michelli Joseph
Kaku, Michio
Ferran Ramon-cortés
Vicente Garrido Genovés
