Al-Qushayri

'Abd al-Karīm ibn Hawazin Abū al-Qāsim al-Qushayrī al-Naysābūrī (}}, ; 986 – 30 December 1072) 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.

He was born in Nishapur which is in Khorasan province in Iran. This region was widely known as a center of Islamic civilization up to the 13th Century CE. He was the grandfather of the hadith scholar Abd al-Ghafir al-Farsi, a student of Imam al-Haramayn al-Juwayni. Provided by Wikipedia