Athanasius of Alexandria

Athanasius of Alexandria was a prominent 4th-century Christian theologian and bishop known for his strong defense of the nature of Christ and the doctrine of the Trinity. He opposed the Arian belief that Jesus was created and not fully divine, advocating instead that Jesus is co-eternal with God the Father. His most famous work, "On the Incarnation," discusses the significance of Christ’s coming to Earth. Athanasius played a crucial role at the Council of Nicaea in 325 AD, which established key Christian beliefs. He is recognized as a Church Father and a saint in various Christian traditions.