Ali ibn al-Husayn al-Iṣfahānī (Arabic: أبو الفرج الأصفهاني‎), also known as Abul-Faraj, (full form: Abū al-Faraj ʿAlī ibn al-Ḥusayn ibn Muḥammad ibn Aḥmad ibn al-Ḥaytham al-Umawī al-Iṣfahānī) (284–356AH / 897-967CE) was a litterateur, genealogist, poet, musicologist, scribe, and boon companion in the tenth century. He was of Arab-Quraysh origin[1][2] and mainly based in Baghdad.