Abū al-Ḥusayn ‘Asākir ad-Dīn Muslim ibn al-Ḥajjāj ibn Muslim ibn Ward ibn Kawshādh al-Qushayrī an-Naysābūrī or Muslim Nayshāpūrī, commonly known as Imam Muslim, was an Islamic scholar from the city of Nishapur, particularly known as a muhaddith. Wikipedia