Heinrich W. Guggenheimer is Professor Emeritus of Polytechnic University (formerly Polytechnic Institute) of Brooklyn where he taught Mathematics and also Jewish Studies in the Department of Humanities. He received his MS. and Sc.D. degrees from the Swiss Federal Institute of Technology in Zurich, and his Jewish training at the Bet Hamidrash of Basle, Switzerland. He also taught at Hebrew University, Bar Ilan University, Washington State University, and the University of Minnesota. He has published over 150 research papers in Mathematics and Talmud, and is the author of numerous books. He currently teaches a daily class in Talmud and a weekly class in Kabbalah at Congregation Anshei Shalom, West Hempstead, New York.