Yohanan Petrovsky-Shtern is the Crown Family Professor of Jewish Studies and a professor of Jewish history at Northwestern University. He teaches early modern and modern east European Jewish history; Jewish mysticism and kabbalah; the history and culture of Ukraine; and Slavonic Jewish literature. He has been appointed a Fulbright Specialist on Eastern Europe, a fellow at the Harvard Ukrainian Research Institute, and a visiting professor at the Ukrainian Free University in Munich. He has published several books, including Jews in the Russian Army, 1827-1917: Drafted into Modernity (2008), The Anti-Imperial Choice: The Making of the Ukrainian Jew (2009), winner of the American Association of Ukrainian Studies book award, and Lenin's Jewish Question (2010). He has recently finished, The Golden-Age Shtetl, and together with Paul Robert Magocsi is working on a study entitled 'Jews and Ukrainians in the Ukrainian Lands'. Antony Polonsky is Professor Emeritus of Holocaust Studies at Brandeis University and Chief Historian of the Polin Museum of the History of Polish Jews, Warsaw. He is the author of the three-volume History of the Jews in Poland and Russia, published in an abridged paperback version as The Jews in Poland and Russia: A Short History.