He was a Shāfiʿī Qurʾānic exegete, the mufti of Herat and its leading shaykh.
He heard ḥadīth from Muḥammad ibn ʿAbd al-Raḥmān al-Sāmī, al-Ḥasan ibn Sufyān, ʿAbd Allāh ibn Shīrawayh, Abū Yaʿlā al-Mawṣilī, ʿAbd Allāh ibn Zaydān al-Bajalī, Aḥmad ibn al-Ḥasan al-Ṣūfī, and their contemporaries.
Those who narrated from him include al-Ḥākim, Abū Ibrāhīm al-Nasrābādhī, and a group of the teachers of Abū Ismāʿīl al-Anṣārī.
Al-Ḥākim said, “His ḥadīth were ḥasan (of fair reliability).”
Abū al-Naḍr al-Fāmī stated that he died in Rabīʿ al-Ākhir 358 AH, while al-Ḥākim records his death at Herat in 355 AH.
195 – al-Qarmaṭī, Abū ʿAlī al-Ḥasan ibn Aḥmad ibn Ḥasan *
The ruler (al-malik) Abū ʿAlī al-Ḥasan ibn Aḥmad ibn Abī Saʿīd Ḥasan ibn Bahrām, of Persian stock, the Jannābī Qarmaṭian known by the sobriquet “al-Aʿṣam.”
He was born in al-Aḥsāʾ in 278 AH; the turns of fortune carried him from place to place, though his roots were Persian.
He seized control of Syria in 357 AH, appointing Washāḥ al-Sulamī over Damascus, then returned to al-Aḥsāʾ, and later marched back toward Syria