Abolghasem Khazali Boroujerdi ( Persian : ابوالقاسم خزعلی بروجردی , 21 March 1925 – 16 September 2015) was a hardline Iranian politician, fundamentalist Shi'i cleric and a founding member of Haghani school with close ties with Mahmoud Ahmadinejad and Saeed Jalili . He was the conservative chairman of the Guardian Council , and was the oldest member of the current Assembly of Experts . Before the Islamic Revolution, he was one of the strongest challengers of the Shah , and was taken to jail several times. He died on 16 September 2015.