Paul Grice's work greatly influenced both arcs of the so-called linguistic turn of twentieth-century philosophy. The first arc--the variety of attempts to recast the traditional problems of philosophy as problems of language--includes ordinary-language philosophy, which Grice helped to develop. The second arc--full-blown attempts to understand linguistic phenomena--includes philosophical semantics, a field that Grice's work continues to define. Specialists generally regard his approaches to questions of meaning and the logic and grammar of conversation as among the most valuable and enduring in the philosophy of language. His theory of meaning continues to attract the attention of philosophers of language for its ambitious attempt to bring together a pair of epochal claims that, prior to Grice, were generally taken to be mutually exclusive: Ludwig Wittgenstein's insight that meaning must be pegged to how ordinary speakers use language, and Gottlob Frege's observation that such linguistic units as sentences possess meaning-conferring features...