Being and Time: Introduction. What is Metaphysics?. On the Essence of Truth. The Origin of the Work of Art. Letter on Humanism. Modern Science, Metaphysics, and Mathematics. The Question Concerning Technology. Building Dwelling Thinking. What Calls for Thinking?. The Way to Language. The End of Philosophy and the Task of Thinking.
Martin Heidegger (1889-1976) was born in Germany and taught philosophy at the Universities of Freiburg and Marburg. His work helped launched the radical philosophical movement known as phenomenology, whose most famous expositors include Jean-Paul Sartre and Jacques Derrida.