Who covered the most disciplines, Abū Sahl al-Qūhī or Al-Farabi?
Al-Farabi Al-Farabi ( ; Persian: ابو نصر محمد بن محمد فارابي‎ ‎ "Abū Naṣr Muḥammad ibn Muḥammad Al Fārābī ";, known in the West as Alpharabius (c. 872 in Fārāb – between 14 December, 950 and 12 January, 951 in Damascus), was a renowned philosopher and jurist who wrote in the fields of political philosophy, metaphysics, ethics and logic. He was also a scientist, cosmologist, mathematician and music scholar.
Abu Bakr Ibn Mujāhid Abū Bakr Ibn Mujāhid (Arabic: ابن مجاهد) (Full name: أبو بكر أحمد بن موسى بن العباس بن مجاهد التميمي) (born 245AH/859-860CE in Baghdad and died 324AH/936CE) was a scholar of Islamic studies. He studied Qur'ān and Hadith in Baghdad. He was most notable for establishing the seven canonical Qur'anic readings (Qira'at). He was also notable for delivering the charge of heretical Qur'anic exegesis that reopened the trial of Mansur al-Hallaj, and ultimately led to his execution by the Abbasid Caliphate al-Muqtadir.