Austria's ambassador to Canada from 1956-60, he failed to win Austria's presidency in 1971, but was elected president in 1986 despite rumors about atrocities committed during WWII.  
His memoirs, In the Eye of the Storm, do not mention his time in the Balkans during WWII when he allegedly served as an intelligence officer for the Nazis.  Austria's ambassador to Canada from 1956-60, he failed to win Austria's presidency in 1971, but was elected president in 1986 despite rumors about atrocities committed during WWII.  FTP, who was this Austrian who from 1972-82 served as UN secretary-general?
His memoirs, In the Eye of the Storm, do not mention his time in the Balkans during WWII when he allegedly served as an intelligence officer for the Nazis.  
Kurt Waldheim