Imam Ḥasan al-ʿAskari introduced the Savior of humanity One of the major responsibilities of Imam Hassan al-Askari (A.S.), for which he endeavored earnestly, was to introduce the Imam after him to the Shiites and to inform them of the next Imam's occultation. At the time, the Abbasid dynasty, having had heard the words of the previous Imams (A.S.) and those of Prophets' (A.S.) about the saviour that would be …