 Popper’s own autobiography, unfortunately, tells us nothing about their meeting or their relationship, despite the fact that he was to be the largest single influence (first positive, then negative) on Feyerabend’s work. For those hoping that Feyerabend might use the occasion of his autobiography to settle accounts with his erstwhile philosophical conscience, it is disappointing that the book tells us so little about his acquaintance with Popper. Elsewhere Feyerabend tells us that he