The Doctrine of the Trinity was settled in the fourth century, and maintained with only very minor disagreement or development by all strands of the church - Western and Eastern, Protestant and Catholic - until the modern period. In the twentieth century, there arose a sense that the doctrine had been neglected and stood in need of recovery. In this masterful survey of the doctrine of the Trinity, Holmes guides scholars and students on a journey through 2,000 years of the Christian doctrine of God. We witness the church's discovery of the Trinity from the biblical testimony, its crucial patristic developments, and medieval and Reformation continuity. We are also confronted with the questioning of traditional dogma during the Enlightenment, and asked to consider anew the character of the modern trinitarian revival.