Robert Brody is Professor of Talmud at the Hebrew University of Jerusalem, and has taught at Yale and Harvard universities. He is also the author of 'The Responsa of Natronai bar Hilai Gaon' (1994, second edition 2011), which was awarded the Jerusalem Prize for Rabbinic Literature, and 'The Geonim of Babylonia and the Shaping of Medieval Jewish Culture' (1998), which received a National Jewish Book Award.