Irenaeus

Irenaeus (/ɪrɪˈneɪəs/; Greek: Εἰρηναῖος Eirēnaios; c. 130 – c. 202 AD)[4] was a Greek bishop noted for his role in guiding and expanding Christian communities in the southern regions of present-day France and, more widely, for the development of Christian theology by combating heterodox or Gnostic interpretations of Scripture as heresy and defining proto-orthodoxy.