Eric D. Weitz (1953-2021) was Distinguished Professor of History at City College and the Graduate Center, City University of New York. He was also the author of A World Divided: The Global Struggle for Human Rights in the Age of Nation-States; Weimar Germany: Promise and Tragedy, which was named a New York Times Book Review Editor's Choice; and A Century of Genocide: Utopias of Race and Nation (all Princeton).