In Nishapur he enjoyed abundant esteem and commanding presence.
He narrated hadith from his father, Abū al-Ḥasan; Abū al-ʿAbbās Muḥammad ibn Isḥāq al-Ṣibghī; Muḥammad ibn al-Ḥasan al-Sarrāj; Abū ʿAmr ibn Maṭar; Abū ʿAmr ibn Nujayd; Jaʿfar al-Marāghī; and a number of others.
While in Baghdad he attended the circles of Abū al-Faḍl ʿUbayd Allāh ibn ʿAbd al-Raḥmān al-Zuhri and others.
Selected fawāʾid collections were compiled for him, and he transmitted a large body of reports.
Among those who narrated from him were Ismāʿīl ibn ʿAbd al-Ghāfir al-Fārisi, ʿAbd al-Ghaffār ibn Muḥammad al-Shirūyī, Ismāʿīl ibn ʿAmr al-Baḥīrī, and others.
He passed away in 432 AH, having reached his early nineties.
399 – Al-Khallāl, Abū ʿAbd Allāh al-Ḥusayn ibn Muḥammad ibn al-Ḥasan al-Baghdādī
Al-Khallāl, the tutor, was the brother of the ḥadith master al-Ḥasan.
He heard hadith from Abū Ḥafṣ al-Zayyāt, and in Transoxiana he received the Ṣaḥīḥ, transmitting it on the authority of al-Ḥājibī.
Those who narrated from him include Abū al-Faḍl ibn Khayrūn, a number of others, and al-Khaṭīb, who said (1): “There is no harm in him.” He died in 430 AH.