Home > Diodorus of Tarsus

Diodore of Tarsus re-founded it in the middle of the fourth century as a semi-monastic community. He was a native of Antioch who had studied

In Antioch he became famous for his orthodox steadfastness against the Arian bishops that ruled the city at that time. In 378 Diodore left Antioche to become Bishop of Tarsus and his student Theodore of Mopsuestia became the new head of the school.

Diodore and Theodore were strong opponents of the heresy of

in a human body, but without a human soul. In response, they insisted that Christ had both a divine and a human soul, which were connected but distinct. The Alexandrian school on the other hand taught a union of the two persons of Christ.

The teaching Diodore and Theodore is the foundation of the Assyrian ( Nestorian) theology.