The holy and glorious, right-victorious Hieromartyr '''Irenaeus of Lyons''' (c. 130-202) was [[bishop]] of Lugdunum in Gaul, which is now Lyons, [[France]]. His writings were formative in the early development of Christian [[theology]]. He was a disciple of [[Polycarp of Smyrna]], who himself was a disciple of the [[Apostle John|Apostle John the Theologian]]. His [[feast day]] is [[August 23]].
==Biography==