What if the Nazis had won?

The perennial question. But filming a documentary called The Nazi Invasion, due for broadcast in December, it was interesting to speculate on the extraordinary degree of planning that had been put into this question. Some of it was ridiculous – like von Ribbentrop’s idea of having Cornwall as his personal domain – and some just chilling, like Himmler’s decision to restrict education for conquered people to a very simple level, involving adding up to 500 and writing their names. We did the filming on the hottest day of the year and the producers found an appropriately dank cellar in which to fire their questions…..