Ruth Bettina Birn

Ruth Bettina Birn (born 1952) is a Canadian historian and author whose main field of research is the security forces of Nazi Germany and their role in the Holocaust. For nearly 15 years, she held a position of chief historian in the war crimes section at the Canadian Department of Justice. Birn co-authored ''A Nation on Trial: The Goldhagen Thesis and Historical Truth'' with Norman Finkelstein. Provided by Wikipedia