 Although he lived and worked in London, rising to the post of Professor of Logic at the London School of Economics (LSE), Lakatos never became a British citizen, but died a stateless person. Despite the star-studded array of academic lords and knights who were willing to testify on his behalf, neither MI5 nor the Special Branch seem to have trusted him, and no less a person than Roy Jenkins, the then Home Secretary, signed off on the refusal to naturalize him. (See Bandy 2009: ch. 16, which includes the transcripts of successive interrogations.)