 He joined Canadian Army HQ three months before D-Day as a major and by the war's end he was an intelligence officer with the First Canadian Army.While still in uniform, he interviewed many of the captured German generals in the following months and years including Gerd von Rundstedt and Kurt Meyer.As a result of these interviews he wrote the classic Second World War military history "Defeat in the West", published in London by Secker & Warburg in April 1947, and by Dutton in New York in January 1948.