General Meeting, Leuven 1969
Front row: J.M. Nuttin, H. Malewska, P. Naus, H. Tajfel, J. Israel,
C. Herzlich, M. von Cranach, E. Apfelbaum, A. Jurovsky, M. Zavalloni
Middle row: C. Flament, J. Janousek, G. Iacono, J.P. Poitou, H. Himmelweit,
G. Cohen, S. Mika, P. Schönbach, D. Van Kreveld, G. Jahoda