The Ritschlian theology in which Barth was nurtured was controlled by a modern form of the critical philosophy of Immanuel Kant. It would seem, therefore, to be worth investigating to what extent, in rejecting Ritschlianism, Barth has also rejected Criticism. Indeed it is not likely that we shall have a very adequate conception of the tendency of Barth’s theology unless we study it in relation to the questions of epistemology that have engaged modern theology and philosophy. This is the more true