It was written after the First Ecumenical Council at Nicea as an affirmation of the Christological Formula set down by Athanasius .
This hymn is sometimes ascribed to Pope Athanasius I of Alexandria .
It was written after the First Ecumenical Council at Nicea as an affirmation of the Christological Formula set down by Pope .
This hymn is sometimes ascribed to Pope Athanasius I of Alexandria .