Title: Prosōpon and the dogma of the Trinity
Subjects: Trinity, History of doctrines, Doctrinal Theology, History, Theology
People: Cyril Saint, Patriarch of Alexandria (approximately 370-444), Leontius Presbyter of Constantinople (active 5th century-6th century), Leontius Byzantinus (approximately 458 - approximately 543)
Time periods: Early church, approximately 30-600, Early church, ca. 30-600