Gershon David Hundert is Professor of Jewish Studies and History at McGill University. He is the author of "The Jews in a Polish Private Town: The Case of Opatow in the Eighteenth Century "(1992), the coauthor of "The Jews in Poland and Russia: Bibliographical Essays "(1984), and the editor of "Jews in Early Modern Poland "(1997) and "Essential Papers on Hasidism: Origins to Present "(1991).