Origen
Personal
A student of Clement
Ordained a presbyter
The most accomplished biblical scholar
  of the early Church
Father of the allegorical method of
  scripture interpretation
He developed the idea of Christ as
  Logos or Incarnate Word
Place and dates
Alexandria
185?-254?
Writings
Against Celsus: closely reasoned apologetic work refuting the
  arguments advanced by the Celsus, the first serious critic of
  Christianity
Origenas