Mark R. Cohen is Professor of Near Eastern Studies at Princeton University and a well-known authority on the Cairo Geniza and the history of the Jews in the medieval Islamic world. His publications include more than 80 articles and reviews and several books, among them: "Jewish Self-Government in Medieval Egypt" (Princeton), which won the National Jewish Book Award for Jewish history in 1981; "Jewish Life in Medieval Egypt 641-1382", translated into Arabic, 1987; "The Autobiography of a Seventeenth-Century Venetian Rabbi: Leon Modena's Life of Judah", (Princeton); and, most recently, "Under Crescent and Cross: The Jews in the Middle Ages", (Princeton), which has been translated into Hebrew, Turkish, and German.