Todd M. Endelman is Professor Emeritus of History and Judaic Studies at the University of Michigan. His most recent books include Leaving the Jewish Fold: Conversion and Radical Assimilation in Modern Jewish History and Redcliffe Salaman: Country Gentleman, Jewish Nationalist, Race Scientist, and Historian of the Potato. With Zvi Gitelman, he edited volume eight of the Posen Library of Jewish Culture and Civilization, Crisis and Creativity between World Wars, 1918-1939.