Author: Raymond Aron, Prof. Hendrik B. G. Casimir, Friedrich Cramer, Michael Feldman, Wolfgang Gentner, Michael J. Higatsberger, Aharon Katzir-Katchalsky, Prof. John C. Kendrew, Théo Lefèvre, Ole Maaløe, Chaim L. Pekeris, Albert B. Sabin, Jean-Jacques Salomon, David Samuel, Altiero Spinelli, Léon Van Hove, Siegmund G. Warburg, Victor F. Weisskopf (auth.), Anthony R. Michaelis, Hugh Harvey (eds.)