PINES, SALOMON. Nouvelles études sur Awhad al-zaman Abu-l-Barakât Al- Baghdâdi. (Mémoires de la Société des Études Juives I)

* Abu'l-Barakât Hibat Allah ibn Malkâ al-Baghdâdî c. 1080 – 1164 or 1165 AD) was an Islamic philosopher, physician and physicist of Jewish descent from Baghdad, Iraq. He was originally known by his Hebrew birth name Baruch ben Malka and was given the name of Nathanel by his pupil Isaac ben Ezra before his conversion from Judaism to Islam later in his life. He was a renowned physician and served at the courts of the caliphs of Baghdad and the Seljuk sultans.