When he came to power Hitler had a dowser scour the Reich Chancellery for cancerous ‘death rays’. Before flying to Scotland Rudolf Hess had his horoscope drawn up by a personal astrologer. Himmler backed research on the Holy Grail and medieval devil worship (‘Luciferism’) and sent an SS expedition by the explorer Dr Ernst Schafer to Tibet in 1938 to investigate the ancient Indo-German ‘Aryan’ origins of Buddhism.