Trypho, the Pupil of Origen

Trypho, a pupil of Origen, to whom some of Origen’s surviving letters are addressed, was very learned in the Scriptures. Many of his works show this here and there, but especially the book he wrote On the Red Heifer in Deuteronomy, and On the Halves, which Abraham offered along with the pigeon and the turtledoves, as Genesis records. [a]