Who was a physician, Al-Kindi or Abu Yusuf?
Al-Kindi: Abu Yūsuf Yaʻqūb ibn ʼIsḥāq aṣ-Ṣabbāḥ al-Kindī (Arabic: أبو يوسف يعقوب بن إسحاق الصبّاح الكندي‎ ‎ , Latin: "Alkindus" ) (c. 801–873 AD), known as "the Philosopher of the Islamic empire (Abbasid Caliphate)", was a Arab Muslim philosopher, polymath, mathematician, physician and musician. Al-Kindi:  Al-Kindi was the first of the Muslim peripatetic philosophers, and is unanimously hailed as the "father of Arab philosophy" for his synthesis, adaptation and promotion of Greek and Hellenistic philosophy in the Muslim world. Abu Yusuf: Yaqub ibn Ibrahim al-Ansari, better known as Abu Yusuf (Arabic: أبو يوسف‎ ‎ ) (d.798) was a student of jurist Abu Hanifah (d.767) who helped spread the influence of the Hanafi school of Islamic law through his writings and the government positions he held.
Al-Kindi