- al-Ḥārith ibn Muḥammad ibn Abī Usāmah al-Tamīmī, their client.
The personal name of Abū Usāmah was Dāhir. He was a ḥāfiẓ (hadith master), reliable, learned, the musnid of Iraq—Abū Muḥammad al-Tamīmī, their freedman, al-Baghdādī, al-Khaṣīb—compiler of the famous Musnad (1), which he did not arrange either by Companion or by subject headings.
He was born in the year 186 AH.
He heard hadith from: ʿAbd al-Wahhāb ibn ʿAṭāʾ, Bishr ibn ʿUmar al-Zahrānī, Yazīd ibn Hārūn, Rūḥ ibn ʿUbādah, Kathīr ibn Hishām, ʿAbd Allāh ibn Bakr al-Sahmī, Muḥammad ibn ʿUmar al-Wāqidī, Saʿīd ibn ʿĀmir al-Ḍubaʿī, Abū al-Naḍr, ʿUthmān ibn ʿUmar ibn Fāris, Abū Nūḥ Qurād, ʿUbayd Allāh ibn Mūsā, Yaḥyā ibn Abī Bukayr al-Kirmānī, Abū Jābir Muḥammad ibn ʿAbd al-Malik, Muḥammad ibn ʿAbd Allāh ibn Kunāsah, al-Aswad ibn ʿĀmir Shadhān, Muḥammad ibn Muṣʿab al-Qarqasānī, Qabīṣah, Abū Nuʿaym, ʿAffān, Muslim ibn Ibrāhīm, Abū ʿUbayd, and many others besides them.
Those who transmitted from him include: Abū Bakr ibn Abī al-Dunyā, Muḥammad ibn Jarīr al-Ṭabarī, Muḥammad ibn Makhlad, Abū Bakr al-Najjād, ʿAbd al-Ṣamad al-Ṭastī, Abū Bakr al-Shāfiʿī, Abū Bakr ibn Khallād al-Naṣībī, ʿAbd Allāh ibn al-Ḥusayn al-Naḍrī al-Marwazī, and a host of others.
Ibn Ḥibbān listed him in al-Thiqat.