St Irenaeus is the most important theologian of the second century, laying the foundation for all future Christian thinkers. Irenaeus tells us that he had known

Written in the form of a letter, the Proof is a manual of theology designed to serve as a guide to salvation and a way to refute heretics. It was composed in Ly

This work has been selected by scholars as being culturally important and is part of the knowledge base of civilization as we know it. This work is in the publi

A full, contextual study of Irenaeus of Lyons, the first great theologian of the Christian tradition. John Behr sets Irenaeus both within his own context of the