LudwigWittgenstein(1889-1951)wasanextraordinarilyoriginalthinker,whoseinfluenceontwentieth-centurythinkingfaroutsidetheboundsofphilosophyalone.InthisengagingIntroduction,A.C.GraylingmakesWittgenstein’sthoughtaccessibletothegeneralreaderbyexplainingthenatureandimpactofWittgenstein’sviews.Hedescribesbothhisearlyandlaterphilosophy,thedifferencesandconnectionsbetweenthem,andgivesafreshassessmentofWittgenstein’scontinuinginfluenceoncontemporarythought.