Origen wrote over 6,000 commentaries of the Bible in addition to his famous Hexapla.Many scholars such as Saint Jerome visited the school of Alexandria to exchange ideas and to communicate directly with its scholars.
And countless pilgrims visited the "Desert Fathers" and emulated their spiritual, disciplined lives.
The Nicene Creed, which is recited in all churches throughout the world, has been authored by one of its favorite sons, Saint Athanasius, the Pope of Alexandria for 46 years, from 327 A. From the beginning, it played a central role in Christian theology---and especially to protect it from the Gnostics heresies.
The Coptic Church produced thousands of texts, biblical and theological studies which are important resources for archeology.
He was one of the four evangelists and the one who wrote the oldest canonical gospel.
Christianity spread throughout Egypt within half a century of Saint Mark's arrival in Alexandria as is clear from the New Testament writings found in Bahnasa, in Middle Egypt, which date around the year 200 A.