Peter Lipton, American philosopher and academic (b. 1954)
Peter Lipton (October 9, 1954 – November 25, 2007) was the Hans Rausing Professor and Head of the Department of History and Philosophy of Science at Cambridge University, and a fellow of King's College, until his unexpected death in November 2007. According to his obituary on the Cambridge web site, he was "recognized as one of the leading philosophers of science and epistemologists in the world."