The importance of Martin Heidegger’s work for 20th century philosophy can hardly be overstated. Sartre’s existentialism, Derrida’s deconstruction, Levinas’ ethics, and the political thought of Hannah Arendt, Leo Strauss, and Herbert Marcuse – Heidegger exercised a formative influence on all of them. All the same, Heidegger’s engagement with Nazism in the early 1930s casts