Guido Knopp was editor of the "Frankfurter Allgemeine Zeitung" and then Chief Foreign Editor of the "Welt am Sonntag." Since 1984 he has been Head of History and Current Affairs for ZDF, Germany's second national TV channel. He has written numerous award-winning TV documentaries and best-selling books including "Hitler's Hitmen" and "Hitler's Holocaust." He lives in Germany.