Pascual Jordan maintained that he had never truly supported the Nazi cause, despite his publications extolling the virtues of a National Socialist approach to science. He even had the audacity to send a letter to Max Born, his mentor who had been forced out by Hitler’s racist policies, explaining that he hadn’t really been a Nazi and asking for a character reference for his “de-Nazification.” Born replied with a list of his friends and family members murdered by the Nazis.)