Introducing Heidegger is the essential guide to the controversial Martin Heidegger, acclaimed as the most powerfully original philosopher of the twentieth century. Martin Heidegger - philosophy's 'hidden king', or leading exponent of a dangerously misguided secular mysticism? Heidegger announced the end of philosophy and of humanism, and was a committed Nazi and vocal supporter of Hitler's National Socialism. Was Heidegger offering a deeply conservative mythology or a crucial deconstruction of philosophy as we have known it?