Benjamin Frommer (PhD, Harvard), Associate Professor of History at Northwestern University, is the author of National Cleansing: Retribution against Nazi Collaborators in Postwar Czechoslovakia (New York: Cambridge University Press, 2005), which was also published in Czech translation (Academia: Prague, 2010). His current book project, The Ghetto without Walls: The Identification, Isolation, and Elimination of Bohemian and Moravian Jewry, 1938-1945, examines the wartime destruction of one of the world’s most integrated and intermarried Jewish communities. His research and writing have been supported by the American Council of Learned Societies, the Fulbright Program, the Institut für die Wissenschaften vom Menschen, the Alice Kaplan Institute for the Humanities, and the Masaryk Institute of the Czech Academy of Sciences. Frommer has held the Charles Deering McCormick Professorship of Teaching Excellence (2013-2016) and the Wayne V. Jones Research Professorship in History (2010-2012). At Northwestern, he regularly teaches courses on the Holocaust, the Second World War, the Cold War, and topics related to nationalism, totalitarian rule, ethnic cleansing, and the prosecution of war criminals.