Charles Hodge stands as one of the most influential giants of American Reformed theology. In his fifty-five years at Princeton Theological Seminary (1822–1878), he taught over three thousand students. Through his magnum opus, his three-volume Systematic Theology, he has taught countless thousands more. Many of today’s leading Reformed theologians count Hodge as one of their major influences. It is surprising therefore, that Paul Gutjahr’s biography is the first modern critical biography of Hodge to appear in print. A work of this kind is long overdue. Gutjahr wryly comments that one of the things he learned while writing this book was…