This book examines Balthasar's engagement with Protestantism, primarily in the persons of Martin Luther and Karl Barth, a topic which has not yet been given the attention it deserves. Furthermore, instead of focusing on particular theological issues, such as soteriology or ecclesiology, the book examines the implications of this engagement for Fundamental Theology.

At the very root of Luther's confrontation with the Catholic Church of the Late Middle Ages, lies his antipathy for Aristotle and for "natural theology." In other words, the Protestant difference has as much to do with...