Abd al-Karīm ibn Hawāzin Qushayri

'Abd al-Karīm ibn Hawazin Abū al-Qāsim al-Qushayrī al-Naysābūrī was an Arab Muslim scholar, theologian, jurist, legal theoretician, commentator of the Qur’an, muhaddith, grammarian, spiritual master, orator, poet, and an eminent scholar who mastered a number of Islamic sciences. Al-Qushayri, combined the routine instruction of a Shafi'i law specialist and Hadith expert (muhaddith) with a solid slant to mysticism and ascetic lifestyle.