Gregorius Bar-Hebraeus (bär-hēbrē´əs), 1226–86, Syrian scholar, bishop of the Jacobite Church. Partly Jewish in ancestry, his original name was Abu-al-Faraj. His most celebrated work is a chronicle in Syriac of the world from Adam down. His commentaries (in Arabic and Syriac) on Aristotle were widely known among Arabic-speaking scholars.
"Bar-Hebraeus, Gregorius." The Columbia Encyclopedia, 6th ed.. . Encyclopedia.com. (August 21, 2017). http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/bar-hebraeus-gregorius
"Bar-Hebraeus, Gregorius." The Columbia Encyclopedia, 6th ed.. . Retrieved August 21, 2017 from Encyclopedia.com: http://www.encyclopedia.com/reference/encyclopedias-almanacs-transcripts-and-maps/bar-hebraeus-gregorius