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Diodore of Tarsus
(3,199 words)

Diodore (d. c. 393 CE) was a Christian exegete and theologian who served as bishop of Tarsus in Cilicia from 378 CE until his death. He received an excellent education in Athens, then embraced the monastic life. In Antioch, he led the ascetic school (ἀσκητήριον/askētērion) for many years before his episcopate. Among his disciples, Theodore of Mopsuestia and John Chrysostom are prominent. He was a supporter of the Nicene orthodoxy and a strong opponent of Emperor Julian’s anti-Christian politics. Due to his anti-“Arianism,” he w…

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Ramelli, Ilaria L.E., “Diodore of Tarsus”, in: Brill Encyclopedia of Early Christianity Online, General Editor David G. Hunter, Paul J.J. van Geest, Bert Jan Lietaert Peerbolte. Consulted online on 27 September 2020 <>
First published online: 2018

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