al-Ḥusayn b. Saʿīd al-Ahwāzī, Abū Muḥammad, was an influential Imāmī Shiʿi traditionist and jurist who was active in the first half of the 3rd/9th century. Al-Ḥusayn came from a Persian family, and his ancestors had been clients (mawālī) of the fourth Shiʿi Imam, ʿAlī b. al-Ḥusayn Zayn al-ʿĀbidīn (d. 95/713; see al-Barqī, 54; al-Kashshī, 551–552; al-Najāshī, 58). Sources record him as being a companion of the eighth, ninth and tenth Imams: ʿAlī al-Riḍā (d. 202/818), Muḥammad al-Jawād (d. 220/835), and ʿAlī al-Hādī (d. 254/868; al-Barqī, 54; al-Ṭūsī, Rijāl, 372, 399, 412). Al-Ḥusay…