Question: Who covered the most disciplines, Abū Sahl al-Qūhī or Al-Farabi?
Sentence (from "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.
Relevant evidence: Yes