Who covered the most disciplines, Abū Sahl al-Qūhī or Al-Farabi?
Abū Sahl al-Qūhī: Abū Sahl Wayjan ibn Rustam al-Qūhī (al-Kūhī ; Persian: ابوسهل بیژن کوهی‎ ‎ "Abusahl Bijan-e Koohi") was a Persian mathematician, physicist and astronomer. 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.
Al-Farabi