J. E. Bachelder, Burton R. Fisher, Stephen B. Withey • 1952

S. S. Wilks, J. E. Bachelder, Eli S. Marks, Philip J. McCarthy, Herbert Hyman, D. MacRae, Leonard W. Doob, Frederick Mosteller, S.A. Stouffer, F.F. Stephan, D.B. Truman • 1950