Joshua Rubenstein is Northeast Regional Director of Amnesty International USA. He is author of Tangled Loyalties: The Life and Times of Ilya Ehrenburg, and editor (with Vladimir Naumov) of Stalin's Secret Pogrom: The Postwar Inquisition of the Jewish Anti-Fascist Committee.Ilya Altman is Director of the Center for Holocaust Research and Education in Moscow and Editor-in-Chief of Encyclopedia of the Holocaust in the USSR (in Russian).Yitzhak Arad is former Director of Yad Vashem. His publications include Belzec, Sobibor, Treblinka: The Operation Reinhard Death Camps (IUP, 1987) and The Holocaust in the Soviet Union.Published in association with the United States Holocaust Memorial Museum