Renee Hartman was born in Bratislava, which is now the capital of Slovakia. She and her sister were arrested by the Nazis and imprisoned in Bergen-Belsen, where they endured horrifying conditions, and where Renee nearly succumbed to typhus. After being liberated, Renee and her sister immigrated to the United States. Ever since, Renee has been writing about her experiences in the Holocaust. She lives in Connecticut.
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.