M. Margoshes, C. Th, J. Alkemade, R. Grinfeld, H. Vu, Mrs Alkemade and Mrs Grinfeld at banquet

Unidentified woman, John Richardson, unidentified woman, Arthur Snell, Vincent Parker, unidentified woman at a cocktail party

Julian Schwinger, Yoichiro Nambu, Robert E. Marshak and Werner Heisenberg at International Conference