Gary G. Porton is director of the Program for the Study of Religion and professor of religious studies, history, and comparative literature at the University of Illinois, Urbana-Champaign. He is the author of three previous studies: Goyim: Gentiles and Israelites in Mishnah-Tosefta; The Traditions of Rabbi Ishmael, in four volumes; and Understanding Rabbinic Midrash.