 In London, lecturing to University College and the LSE, he met Imre Lakatos. The two became great friends, corresponding with one another regularly and voluminously until Lakatos’ death. Feyerabend recalls that Lakatos, whose office was across the corridor from the LSE lecture hall, used to intervene in his lectures when Feyerabend made a point he disagreed with (SFS, p. 13, KT, p. 128).