Theodoret was a 5th-century theologian, historian, and bishop of Cyrrhus. Born in Antioch around 393, he was a prominent member of the School of Antioch and a prolific biblical commentator. His career was defined by his involvement in intense Christological disputes within the Eastern Roman Church, particularly regarding the teachings of Nestorius and Cyril of Alexandria. After living as a monk for several years, he served his diocese from 423 until his death around 457 or 458, during which time he was both condemned and eventually restored to his position.