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 cole des Hautes tudes 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.