A tenth- eleventh-century physician and grandson of NASTAS IBN JURAYJ, also a physician. He was born in () at an unknown date.

He entered the service of the caliph (966-1021) and became his personal physician about 1004.

The historian Yahya ibn Sa‘id al-Antaki, in his Appendix to the Annals of Sa‘id ibn Bitriq (composed before the year 1015 and revised and completed by 1028), informs us that when Abu Ya‘qub became the private physician to , “he advised him to drink wine, telling him of its beneficial effects. Al- Hakim listened to his advice, and lifted the ban he had imposed concerning wine. He then invited a team of singers and musicians to his court, and took to drinking among their songs, losing all shame in their company and piling favours upon them. Thus people returned to their former way of living. Some time later, the physician Abu Ya‘qub [ibn Ishaq ibn Ibrahim] ibn Nastas died, and gave up wine and imposed a vigorous ban on drinking it” (from the translation by Kratchkovsky, 1932, p. 480). After this, Yahya ibn Sa‘id relates an event that occurred during Lent 1007. Therefore Abu Ya‘qub probably died around 1006 or at the beginning of 1007, and while was still living.

Abu Ya‘qub appears to have left no written works.


  • . ‘Uyun al-Anba’ fi Tabaqat al-Atibba’, ed. A. Müller, pp. 85-89. Königsberg, 1884. Ed. Mizar Rida, pp. 544, 549. , 1965.
  • Kratchkovsky, I., and A. Vasiliev. Histoire de Yahya Ibn Sa‘id d’Antioche, continuateur de Sa‘id Ibn Bitriq. PO 23, fasc. 3, no. 114, p. 480. Paris, 1932. Repr. Turnhout, 1976.
  • Schacht, J., and M. Meyerhof. The Medico-Philosophical Controversy between Ibn Butlan of Baghdad and Ibn Ridwan of Cairo: A Contribution to the History of Greek Learning Among the Arabs, pp. 12, 38. Cairo, 1937.

, S.J.

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