Grand Ayatollah Hossein Ali Montazeri [1] (Persian: حسین علی منتظری), styled His Honourable Eminence, (born in 1922), was one of the leaders of the Islamic Revolution in Iran. He is best known as the one-time designated successor to the revolution's Supreme Leader Ayatollah Khomeini who fell out with Khomeini in 1989 over government policies that Montazeri claimed infringed on freedom and denied people's rights. He currently lives in the holy city of Qom, and remains politically influential in Iran, especially upon reformist politics. Montazeri is a senior Islamic scholar and a grand marja (religious authority) of Islam.