Had the privilege of sharing a glass or three with him after a RAFHS Lecture at Hendon a year or so ago.
It foreshortens history to think I was chatting with someone who had debriefed Goering at Nurenberg just before he topped himself. As a fluent German speaker and a TP, "Winkle" was the obvious choice.
Many dits about the "friendly" rivalry between Brits, Cousins and Soviets just post war, hoovering up the Luftwaffe's expertise - and hardware!