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. He was from Kuh (or Quh), an area in Tabaristan, Amol, and flourished in Baghdad in the 10th century. He is considered one of the greatest Muslim geometers, with many mathematical and astronomical writings ascribed to him.
Tarikh Khamis Tarikh al-khamis fi ahwal anfas nafis or Tarikh Khamis or Tarikh al-Khamis is a history collection about the history of Islam authored by Sunni Islamic Scholar Husayn ibn Muhammad Diyarbakri, (who died in either 1559 CE (966 AH) or 1574 CE (982 AH)), and published in Cairo in 1884 CE (1302 AH) and reprinted in Beirut in 1390 AH