François Guesnet is Professor of Modern Jewish History, University College London. He is chair of the Institute for Polish-Jewish Studies and secretary of the European Association for Jewish Studies and has held research fellowships and visiting teaching positions at the University of Pennsylvania, University of Oxford, the Hebrew University of Jerusalem, Dartmouth College, Potsdam University, Vilnius University, and the Jagiellonian University, Kraków. He is the editor, with Jerzy Tomaszewski, of Sources on Jewish Self-Government in the Polish Lands from Its Inception to the Present (2022). Howard Lupovitch is an associate professor of history and director of the Cohn-Haddow Center for Judaic Studies at Wayne State University. He is the author of Jews at the Crossroads: Tradition and Accommodation during the Golden Age of the Hungarian Nobility, 1729—1878 (Budapest, 2007) and is currently writing a history of the Neolog movement. Antony Polonsky is Emeritus Professor of Holocaust Studies, Brandeis University, and Chief Historian of the Global Educational Outreach Project at the Museum of Polish Jews in Warsaw. He holds honorary doctorates from the University of Warsaw (2010) and the Jagiellonian University (2014), and in 2011 was awarded the Officer’s Cross of the Order of Merit of Polonia Restituta and the Officer’s Cross of the Order of Merit of Independent Lithuania. His many publications include The Jews in Poland and Russia, 3 vols. (Littman Library, 2010–12), which in 2012 was awarded the Pro Historia Polonorum prize of the Polish Senate for the best book on the history of Poland in a non-Polish language written in the previous five years.