Imam Ali al-Rida

'Alī ibn Mūsā ar-Riḍā (Arabic: علي ابن موسى الرّضا‎), also called Abu al-Hasan, Ali al-Reza (c. 29 December 765 – 23 August 818) or in Iran (Persia) as Imam Reza (Persian: امام رضا‎), was a descendant of the Islamic prophet, Muhammad, and the eighth Shi'ite Imam, after his father Musa al-Kadhim, and before his son Muhammad al-Jawad.