The biography of Imam Hassan al-Askari (A.S.)
Hasan ibn Ali ibn Muhammad better known as Hassan al-Askari was a descendant of the Prophet Muhammad (P.B.U.H.). He is the eleventh of the Twelve Imams, those whom Allah had kept uncleanness away from and purified a thorough purifying (cf Quran 33: 33), and also made their affection obligatory on the entire Muslims (Quran 42: 23).