Background
Grandson of Jirjis ibn Jibril, he lived in the second half of the eighth century.
Grandson of Jirjis ibn Jibril, he lived in the second half of the eighth century.
He was a Nestorian and spoke the Syriac language. He was physician to Ja"far the Barmakide, then in 805-6 to Harun al-Rashid and later to al-Ma"mun. Died in 828-29; buried in the monastery of Saint Sergios in Madain (Ctesiphon).
He wrote various medical works and exerted much influence upon the progress of science in Baghdad.
Works attributed to him include Kitāb ṭabā’i‘ al-ḥayawān wa-khawāṣṣihā wa-manāfi‘ a‘ḍā’ihā ("Book of the Characteristics of Animals and Their Properties and the Usefulness of Their Organs"), written for Nasir al-Dawla. Risāla fī al-ṭibb wa-al-aḥdāth al-nafsāniyya ("Treatise on Medicine and Psychological Phenomena").
And Kitāb naʿt al-hayawān. He took pains to obtain Greek medical manuscripts and patronized the translators.
He was a member of the Bakhtyashu family.