Tatian the Assyrian Tatian the Assyrian, Christian apologist Τατιανὸς ὁ Ἀσσύριος · Tatianus Syrus · ܛܛܝܢܘܣ Dates 120–180 (approx.) Epithetthe Assyrian Works (2) Tatian's Address to the Greeks (ANF) The Diatessaron of Tatian. (ANF)