Ben Zion Katz is a Professor of Pediatrics at Northwestern University’s Feinberg School of Medicine and is an Attending Physician in the Division of Infectious Diseases at the Ann & Robert H Lurie Children’s Hospital of Chicago. He is the author of over 70 original medical publications, as well as many book chapters and editorials on medical matters. He is also the author of A Journey Through Torah: A Critique of the Documentary Hypothesis (Urim, 2012) and has published many articles of Jewish interest in learned journals such as Tradition, Jewish Bible Quarterly and Bekhol Derakheha Dehu (Journal of Torah and Scholarship). He has taught for the Florence Melton Adult Education Program of Hebrew University, the Dawn Schuman Institute for Jewish Learning and Limmud Chicago, and has given invited presentations at meetings of the Association for Jewish Studies and the Herzl Institute in Jerusalem. He lives with his family in the Chicago area.