See translation of Contra Gentes and De Incarnatione by R. W. Thomson (1974); translation of Life of Saint Antony and Letter to Marcellinus by R. C. Gregg (1980).
(born 293, Alexandria, Egypt—died May 2, 373, Alexandria; feast day May 2) Early Christian theologian and staunch opponent of Arianism. He studied philosophy and theology at Alexandria, Egypt, and in 325 he attended the Council of Nicaea, which condemned the Arian heresy. He welcomed the council's teaching that the Son is “consubstantial with the Father” and defended that teaching throughout his career. In 328 he was appointed patriarch of Alexandria, but theological disputes led to the first of several banishments in 336. He returned from exile repeatedly and resumed his office, but Arian opposition continued. After being banished by Constantius II in 356, Athanasius lived in a remote desert in Upper Egypt and wrote theological treatises, including his Four Orations Against the Arians. The emperor's death in 361 gave Athanasius a brief respite under the toleration proclaimed by Julian, but a controversy with Julian's heathen subjects forced him to flee into the Theban desert. At the time of his death he again possessed the see at Alexandria.
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Ammon or Amun (294 – 357) was a saint and hermit of Egypt. He was one of the most venerated ascetics of the Nitrian Desert, and Saint Athanasius mentions him in his life of Saint Anthony. His name is the same as that of the ancient Egyptian god Amun.
According to his legend, he was forced into marriage at the age of 20 and persuaded his wife, on their wedding night, to embrace a vow of chastity. The two lived together for 18 years in celibacy, and then he left to become a monk in the Nitrian desert, while she founded a convent in her own house. He cooperated with Saint Anthony and gathered his monks under his direct supervision, thus forming a monastery from sole hermits. Traditionally, he is supposed to have been the first hermit to have a monastery, known as Kellia, at Nitria. This is by no means verifiable, but it is more certain that Amun's piety and fame drew others to the region. He is considered to have died at the age of 62 years old. His feast day is October 4 in the Eastern Orthodox, Byzantine Catholic, and Roman Catholic Churches. His feast in the Coptic Orthodox Church is on 20 Pashons.