Haym Soloveitchik is the Merkin Family Research Professor at Yeshiva University, New York, and the former director of the School of Jewish Studies at the Institute of Advanced Studies, Hebrew University of Jerusalem. He has also taught at the Sorbonne and the École des Hautes Études en Sciences Sociales in Paris. He has published books in Hebrew on pawnbroking and usury, Jewish involvement in the medieval wine trade, and the use of responsa as a historical source. Three volumes of his Collected Essays have been published by the Littman Library, as well as a new edition of his landmark essay, Rupture and Reconstruction: The Transformation of Modern Orthodoxy.