Imam Hasan

Imam Hasan (also known as Imam al-Mūjtabā) was the second of the Twelve Imams, a line of holy figures in Shia Islam. He was the son and successor of Imam Ali, and lived prior to the major split between Sunni and Shia Islam. He was briefly Caliph, taking control of much of Iraq. He was killed by his wife using poison. Upon his death, he was succeeded by his son Imam Hussein.