This volume contains hitherto unknown lectures held by the Protestant philosopher and theologian Paul Tillich (1886-1965) during the first years of his exile at several universities. The lectures are on the Philosophy of Religion (1934), Introduction into Existential Philosophy (1934) andthe Doctrine of Man (1934-35). They document the difficult attempt of a German scholar to explain his thought, which was rooted in the philosophy of German idealism, to an American academic audience Erdmann Sturm