JOSEPH R. ROYCE studied at the University of Chicago, receiving his PH.D. in 1951. From 1960 to 1967 he was Head of the Department of Psychology at the University of Alberta where he founded the Center for Advanced Study in Theoretical Psychology. He is Director of the Center, and Professor of Psychology at the University. He has written some 50 journal articles, has contributed chapters to over a dozen books, and is the author of The Encapsulated Man.