Arne Næss, Erich Fromm, Seymour Melman, Roger Fisher, Anatol Rapoport, Bertrand Russell, Amitai Etzioni, Talcott Parsons, Louis B. Sohn, David Riesman, Herbert C. Kelman, Jerome D. Frank, Arthur Larson, Quincy Wright, Robert Gomer, Morton Deutsch, C. West Churchman, Zellig S. Harris, Charles E. Osgood, Emile Benoit, Ivan Supek, Karl W. Deutsch, David Dalches, G.I. Pokrovsky, Lewis C. Bohn, Ralph W. Gerard, T.C. Schelling