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Tatian the Assyrian

c. 120 – c. 180 · b. Assyria
apologisttheologian

Disciple of Justin Martyr in Rome; author of the Diatessaron (Gospel harmony) and the Oratio ad Graecos. Later associated with the Encratite movement.

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Common questions

Who was Tatian the Assyrian?
Tatian the Assyrian (120–180) — Disciple of Justin Martyr in Rome; author of the Diatessaron (Gospel harmony) and the Oratio ad Graecos. Later associated with the Encratite movement.
Who taught Tatian the Assyrian?
Justin Martyr.

Sources for biography

  • Irenaeus, Adv. Haer. 1.28.1 primary
  • Eusebius, Hist. Eccl. 4.29 primary

documented connections(1)

  • taught by Justin Martyr
    Tatian was a disciple of Justin in Rome and only fell into heterodoxy after Justin's martyrdom.
    Irenaeus, Adv. Haer. 1.28.1 · Eusebius, Hist. Eccl. 4.29

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