John Perry is a Professor of Philosophy Emeritus, Stanford, Uc Riverside at Csli Stanford. He possess expertise in philosophy, teaching, lecturing, semantics, higher education and 10 more skills. Colleagues describe him as "John Perry, and his pal, Ken Taylor, do for "Mental Tune-Ups" what Click and Clack do for automobile trune-ups!.... and they do it humorously, and inspirationally. They will help you to enjoy life, in unexpected ways!.. jack barry, SF." and "John is internationally acclaimed as one of the leading figures of contemporary philosophy. He's been particularly influential in the philosophy of language (semantics and pragmatics of reference), semantics (founder of situation semantics with Jon Barwise), philosophy of mind (personal identity and the self), and epistemology (knowledge and consciousness). It's really a pleasure to work with him but, above all, a privilege to be his friend."