IVAN DAVIDSON KALMAR is Associate Professor of Anthropology at the University of Toronto. His publications include The Trotskys, Freuds, and Woody Allens: Portrait of a Culture (1994). DEREK J. PENSLAR is Zacks Professor of History and Director of the Jewish Studies Program at the University of Toronto. His most recent publication is Shylock's Children: Economics and Jewish Identity in Modern Europe (2001).