Abu Bakr al-Warraq
Muhammad ibn Umar al-Hakim al-Tirmidhi al-Balkhi, best known as Abu Bakr al-Warraq, was a noted 9th-century Persian gnostic and Sufi sheikh. Born in Tirmidh, he lived and worked in Balkh. His nephew was Abu Isa Muhammad ibn Isa al-Tirmidhi.