Irenaeus, St.
Personal
Heard the preaching of Polycarp the disciple of
  John the Evangelist
Appointed the bishop of Lyon (177)
 
Place and dates
Asia Minor
140?-202?
Writings
Against the Heresies: written against the
  Gnostics; contributed to the knowledge
  of Gnosticism
Against Heresies / Adversus Haereses, Book 1