Who is St. Irenaeus?
Saint Irenaeus (ca. 130-202) was bishop of Lugdunum in Gaul, which is now Lyons, France. He is recognized as a saint by both the Eastern Orthodox Church and the Catholic Church, and his writings were formative in the early development of Christian theology. His feast day is June 28. The Catholic Church considers him a Father of the Church. He was a disciple of Polycarp, who himself was a disciple of John the Evangelist. Irenaeus is thought to have been a Greek from Polycarp’s hometown of Smyrna in Asia Minor, now Izmir, Turkey. He was brought up in a Christian family, rather than converting as an adult, and this may help explain his strong sense of orthodoxy. Irenaeus was one of the first Christian writers to use the principle of apostolic succession to refute his opponents. Irenaeus is remembered as the second bishop of Lyons, although there is no clear evidence that he ever officially assumed the episcopal duties. The first bishop, Pothinus, was martyred around 177 during persecution
