Tractates Ma'aser Seni, Hallah, 'Orlah, and Bikkurim

Heinrich W. Guggenheimer is Professor Emeritus of Polytechnic University of Brooklyn where he taught Mathematics and also Jewish Studies in the Department of Humanities. 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.