David J. Wasserstein, AW's son, read classics and oriental studies at Oxford (D.Phil. 1982). He lectured in Arabic and Hebrew at University College, Dublin, and was professor of Islamic history at Tel Aviv University, before taking up a chair of History and of Jewish Studies at Vanderbilt University, in Nashville, Tennessee, in 2004. He is the author of The Rise and Fall of the Party-Kings (1985) and The Caliphate in the West (1993), as well as of many articles on medieval Islamic and Jewish topics.