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.
Saadi Shirazi Abū-Muhammad Muslih al-Dīn bin Abdallāh Shīrāzī (Persian: ابومحمد مصلح‌الدین بن عبدالله شیرازی‎ ‎ ), better known by his pen-name Saadi (سعدی "Saʿdī"(   )), also known as Saadi of Shiraz (سعدی شیرازی "Saadi Shirazi"), was a major Persian poet and literary of the medieval period. He is recognized for the quality of his writings and for the depth of his social and moral thoughts. Saadi is widely recognized as one of the greatest poets of the classical literary tradition, earning him the nickname "Master of Speech" (ارباب سخن ) or "The Master" among Persian scholars. He has been quoted in the Western traditions as well.