In 1971, Irving translated the memoirs of General Reinhard Gehlen, and in 1973 published "The Rise and Fall of the Luftwaffe", a biography of Field Marshal Milch. He spent the remainder of the 1970s working on "Hitler's War" and "The War Path", his two-part biography of Adolf Hitler; "The Trail of the Fox," a biography of Field Marshal Erwin Rommel; and a series in the "Sunday Express" describing the Royal Air Force's famous Dam Busters raid. In 1975, in his introduction to "Hitler und seine Feldherren", the German edition of "Hitler's War", Irving attacked Anne Frank's diary as a forgery, claiming falsely that a New York court had ruled that the diary was really the work of American scriptwriter Meyer Levin "in collaboration with the girl's father".