Elliot K. Ginsburg is Associate Professor of Jewish Thought at the University of Michigan at Ann Arbor, prior to which he taught at Oberlin College, and also served as Director of its Judaic Studies Program. He is the author of 'Sod Ha-Shabbat: The Mystery of the Sabbath' (1989), a translated and annotated edition of a work by R. Me'ir ibn Gabbai.