Evagrius Scholasticus

Evagrius Scholasticus (Greek: Εὐάγριος Σχολαστικός) was a Syrian scholar and intellectual living in the 6th century AD, and an aide to the patriarch Gregory of Antioch. His surviving work, Ecclesiastical History (Ἐκκλησιαστικὴ Ἱστορία), comprises a six-volume collection concerning the Church's history from the First Council of Ephesus (431) to the emperor Maurice’s reign until Scholasticus' death.

Notable works: Ecclesiastical History, History

Source: Wikipedia — https://en.wikipedia.org/wiki/Evagrius_Scholasticus