Erna Becker-Kohen (1906–1987), a German Catholic of Jewish heritage, survived on the run in Hitler's Germany.
Martina Cucchiara is Assistant Professor of History at Bluffton University in Ohio.
Esther-Maria Nägele is the granddaughter of Erna Becker-Kohen. She studied geography at the University of Cologne.
Kevin P. Spicer, C.S.C., is James J. Kenneally Distinguished Professor of History at Stonehill College. He is author of Hitler's Priests: Catholic Clergy and National Socialism and Resisting the Third Reich: The Catholic Clergy in Hitler's Berlin and editor of Antisemitism, Christian Ambivalence, and the Holocaust.