He was renowned for his extensive library of medical and other scientific texts, and at some point was appointed court physician for the Fatimid Caliph Ma'ad al-Mustansir.
hiː wʌz ɹᵻnˈaʊnd fɔːɹ hɪz ɛkstˈɛnsɪv lˈaɪbɹɛɹi ʌv mˈɛdɪkəl ænd ˈʌðɚ saɪəntˈɪfɪk tˈɛksts, ænd æt sˌʌm pˈɔɪnt wʌz ɐpˈɔɪntᵻd kˈoːɹt fɪzˈɪʃən fɚðə fˈæɾɪmˌɪd kˈeɪlɪf mˈææd ˈælmˈʌstɐnsˌɪɹ.