Leon Kass is the Addie Clark Harding Professor Emeritus in the Committee on Social Thought at the College at the University of Chicago and Scholar Emeritus at the American Enterprise Institute. He was Chairman of the President’s Council on Bioethics from 2001 to 2005. His numerous articles and books include: Toward a More Natural Science: Biology and Human Affairs, The Hungry Soul: Eating and the Perfecting of Our Nature, Wing to Wing, Oar to Oar: Readings on Courting and Marrying (with Amy A. Kass), Life, Liberty, and the Defense of Dignity: The Challenge for Bioethics, The Beginning of Wisdom: Reading Genesis, What So Proudly We Hail: The American Soul in Story, Speech, and Song (with Amy A. Kass and Diana Schaub), Leading a Worthy Life: Finding Meaning in Modern Times, and Founding God's Nation: Reading Exodus. Kass lives in Washington, DC.
Born in New York City, Hannah Mandelbaum has lived in Jerusalem since the age of seven and has long been an avid student of the Hebrew Bible. Having recently completed her army service in the Education Division of the Israeli Air Force, Hannah is preparing to enter university to major in Jewish Studies and Education. She aspires someday to teach Biblical texts to the young.