Abu'l-Barakāt al-Baghdādī

Abu'l-Barakāt Hibat Allah ibn Malkā al-Baghdādī was an Islamic philosopher, physician and physicist of Jewish descent from Baghdad, Iraq. Abu'l-Barakāt, an older contemporary of Maimonides, 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.