Great Lives

Ludwig Wittgenstein, the fascinating and misunderstood genius who changed the course of philosophy, is chosen by writer Raymond Tallis. With biographer Ray Monk, he brings alive this most enigmatic of men and his singular life. And to make sure that they don't get lost in Wittgensteinian thought, presenter Matthew Parris brings along a whistle to blow whenever he feels in danger.. Producer Beth O'Dea.