He travelled to Baghdad while still in his thirties and there listened to hadith from Abū Ḥafṣ al-Kattānī and Abū Ṭāhir al-Mukhalliṣ. He studied jurisprudence with Shaykh Abū Ḥāmid and learned farāʾiḍ (the laws of inheritance) from Ibn al-Labbān (1). Those who transmitted from him include Mālik ibn Sinān and others. He authored works dealing with both uṣūl (legal theory) and furūʿ (positive law), served as qāḍī of Sāriyah, and became the leading imam of that region. He died in Ṣafar, 458 AH, at the age of one hundred.

81 – ʿUmar ibn Manṣūr ibn Aḥmad ibn Muḥammad ibn Manṣūr al-Bukhārī

The imam, ḥāfiẓ, scholar, and foremost hadith authority of Transoxiana, Abū Ḥafṣ al-Bukhārī, known as al-Bazzāz ("the cloth-seller").

He heard hadith from Abū ʿAlī Ismāʿīl ibn Ḥājib al-Kushānī, Abū Naṣr Aḥmad ibn Muḥammad al-Malāḥimī (2), Abū al-Faḍl Aḥmad ibn ʿAlī al-Sulaymānī, Abū Naṣr Aḥmad ibn Muḥammad ibn Ḥusayn al-Kalābādhī, Ibrāhīm ibn Muḥammad ibn Yazdād al-Rāzī, and their contemporaries.

Among those who narrated from him are the ḥāfiẓ ʿAbd al-ʿAzīz al-Nakhsabī and Muḥammad ibn ʿAlī ibn Saʿīd.