Eli Zaretsky, an associate professor of history at the University of Missouri, is the author of Capitalism, the Family, and Personal Life and of the forthcoming Psychoanalysis: From the Psychology of Authority to the Politics of Identity. The late William I. Thomas, was the author of Primitive Behavior. The late Florian W. Znaniecki, who founded the Polish Sociological Institute and he Polish Sociological Review, later taught at the University of Illinois. His books include Cultural Sciences.