Joshua M. Greene produces books and films about the Holocaust. His documentaries have been broadcast in twenty countries and his books translated into eight languages. He has taught Holocaust history for Fordham and Hofstra Universities. He lives in Old Westbury, New York. Rena Finder was born in Krakow, Poland, and survived the Holocaust. Following the war, Rena moved to the United States with her husband, where she raised a family. Rena has dedicated herself to teaching about "history's darkest hour" and about the need to always speak out against injustice. She has shared her story with schools, colleges, and synagogues over the years, and she is a founding survivor of Facing History and Ourselves.