Photinus the heresiarch.
Jerome of Stridon › Jerome and Gennadius. Lives of Illustrious Men
1 Chapter CVII.
2 Photinus,Bishop about 347, deposed 351, died about 376. of Gallograecia, a disciple of Marcellus, and ordained bishop of Sirmium, attempted to introduce the Ebionite heresy, and afterwards having been expelled from the church by the Emperor Valentinianus, wrote many volumes, among which the most distinguished are Against the nations, and To Valentinianus.