In this thought-provoking new work, the world renowned theologian Gary Dorrien reveals how Kantian and post-Kantian idealism were instrumental in the foundation and development of modern Christian theology. * Presents a radical rethinking of the roots of modern theology * Reveals how Kantian and post-Kantian idealism were instrumental in the foundation and development of modern Christian theology * Shows how it took Kant's writings on ethics and religion to launch a fully modern departure in religious thought * Dissects Kant's three critiques of reason and his moral conception of religion * Analyzes alternative arguments offered by Schleiermacher, Schelling, Hegel, and others - moving historically and chronologically through key figures in European philosophy and theology * Presents notoriously difficult and intellectual arguments in a lucid and accessible manner