Bar Hebraeus
Gregory Bar Hebraeus (1226 – 30 July 1286), previously known by his Latin name Abulpharagius or Syriac name Mor Gregorios Bar Ebraya, was a catholicos (Chief bishop of Persia) of the Syriac Orthodox Church in the 13th century. He is noted for his works concerning philosophy, poetry, language, history, and theology; he has been called "one of the most learned and versatile men from the Syriac Orthodox Church" (Dr. William Wright).