This work, which establishes Irenaeus as the most important of the theologians of the second century, is a detailed and effective refutation of Gnosticism, and

Saint Irenaeus was the first great Christian theologian. Born in Asia Minor in about 130 A.D., he became Bishop of Lyons and died as a martyr early in the third

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