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 Weimar Germany: Promise andTragedy, which was named a New York Times Book Review Editor's Choice; A Century of Genocide: Utopias of Race and Nation; and Creating GermanCommunism, 1890–1990: From Popular Protests to Socialist State (all Pri...