Who was the husband of the woman who had a biography written by Erika Rosenberg?
Erika Rosenberg Erika Rosenberg (born 24 June 1951 in Buenos Aires, Argentina) is an author, interpreter and journalist. She wrote a biography of Emilie Schindler.
Lona Cohen Lona Cohen (January 11, 1913 – December 23, 1992), born Leontine Theresa Petka, also known as Helen Kroger, was an American spy for the Soviet Union. She was the wife of spy Morris Cohen.