In this book we trace the development of the doctrine of the Trinity throughout a) the Ante-Nicene period, from the second to the fourth century, with the Apostolic, Apologists, and Anti-heretical Fathers as the main protagonists and b) the Post-Nicene period, from the fourth to the fifth century, that is, from the Council of Nicea (325) to the Council of Chalcedon (451). One of the problems we encounter with theologians of the first centuries, as...