Barry Dov Walfish, Ph.D. (1983) in Medieval Jewish Studies, University of Toronto, is Judaica Specialist at the University of Toronto Libraries. He has published on Karaism and the history of Jewish biblical interpretation, including Esther in Medieval Garb (SUNY Press, 1993). Mikhail Kizilov, D.Phil (2007) in Modern History, University of Oxford, is a Kreitmann Fellow at Ben Gurion University of the Negev (Beer Sheva). He has more than 60 publications on Karaite, Crimean, Khazar, and Jewish history in the English, Russian, German, and Hebrew languages including The Karaites Through the Travelers' Eyes (New York, 2003).