ʿAbd al-Wahhāb ibn Saʿd ibn Ṣadaqah ibn Khaḍir ibn Kulayb, originally from Ḥarrān and later from Baghdad, a Hanbalī who earned his livelihood as a merchant and was nicknamed al-Ājurrī because he lived in Darb al-Ājar.

He was born in Ṣafar, 500 AH.

He heard hadith from Abū al-Qāsim ibn Bayān, Abū ʿAlī ibn Nabahān, Abū Bakr ibn Badrān, Abū ʿUthmān ibn Mallah, Abū Manṣūr Muḥammad ibn Aḥmad ibn Ṭāhir al-Khāzin, Abū al-Khaṭṭāb the jurist, Ṣāʿid ibn Sayyār, and Nūr al-Hudā Abū Ṭālib al-Zaynabī.

By way of written authorization he also met Abū ʿAlī ibn al-Mahdī, Abū al-ʿIzz Muḥammad ibn al-Mukhtār, Muḥammad ibn ʿAbd al-Bāqī al-Dūrī, Abū Ṭāhir ibn Yūsuf, al-Mubārak ibn al-Ḥusayn al-Ghassāl, Ibn Bayān, and Ibn Nabahān as well.

He composed a catalogue of his teachers (a Mashyakha) that is still extant.

Those who narrated from him include Ibn al-Dubaythī, Ibn Khalīl, Ibn al-Najjār, ʿUmar ibn Badr, Abū Mūsā ibn al-Ḥāfiẓ, al-Yaldānī, Aḥmad ibn Salāmah al-Ḥarrānī, Muḥyī al-Dīn ibn al-Jawzī, the Shaykh of Shuyūkh ʿAbd al-ʿAzīz ibn Muḥammad al-Anṣārī, Shams al-Dīn Abū al-Muẓaffar Sibt ibn al-Jawzī, Ibn ʿAbd al-Dāʾim, al-Najīb ʿAbd al-Laṭīf, and a great many others.

Among those who received his ijāzah were Ibn Abī al-Yusr, al-Quṭb Ibn ʿAsrūn, and al-Khaḍir ibn