The Man Who Was Both German and British: Wilhelm Canaris

Admiral Wilhelm Canaris, head of the Abwehr (German military intelligence), was simultaneously running operations against the Allies AND helping anti-Nazi resistance. He recruited agents he knew were British, deliberately sent false intelligence to Hitler, helped Jews escape to Switzerland, and was actively involved in the July 20, 1944 plot to assassinate Hitler. Canaris kept detailed diaries of his activities, knowing he would likely be discovered. He was arrested after the failed bomb plot and executed at Flossenburg concentration camp on April 9, 1945 — just weeks before the war ended.