Between 1933 and 1945, the Nazis established more than 40,000 camps for the imprisonment, forced labor, or mass killing of Jews, Sinti and Roma, Communists, and other so-called “enemies of the state." View the Spanish version of this map.
Milton Mayer, an American college professor from Columbia University, wanted to find out how ordinary people initially reacted to Hitler's policies and philosophy. Seven years after the end of World War II, Mayer went to Germany and interviewed a cross-section of men throughout society. One of the interviews with a German college professor is excerpted in this audio recording.