Al-Ḥasan Ibn Ḥāmid b. ʿAlī b. Marwān, Abū ʿAbdallāh al-Warrāq, was a jurist, a theologian, and one of the most prominent Ḥanbalī scholars of Baghdad during the first half of the Būyid period. He was also an ascetic who earned money by copying books. He was born sometime before 328/939, and died in 403/1012 from injuries sustained in a Bedouin attack while he was making his way back from the ḥajj . He was a student of the prominent Ḥanbalī scholar Ghulām al-Khallāl (Abū Bakr ʿAbd