Recalling that “galaxy of brilliant Hungarian expatriates,” Otto Frisch remembers that his friend Fritz Houtermans, a theoretical physicist, proposed the popular theory that “these people were really visitors from Mars; for them, he said, it was difficult to speak without an accent that would give them away and therefore they chose to pretend to be Hungarians whose inability to speak any language without accent is well known; except Hungarian, and [these] brilliant men all lived elsewhere.”
