Abu Jafar Muhammad Ibn Jarir Al-Tabari (838-923), was the Iranian historian and theologian (the most famous and widely-influential person called al-Tabari).
Ali Ibn Sahl Rabban Al-Tabari , "Ali the scholar from Tabiristan" (838-870 A.D.) was the writer of a medical encyclopedia and the teacher of the scholar physician Zakariya Al-Razi .