2 - The Imam, the memorizer (al-Ḥāfiẓ), the transmitter of Islam, Abū Bakr Muḥammad ibn Bashshār ibn ʿUthmān ibn Dāwūd ibn Kaysān al-ʿAbdī, al-Baṣrī. He was nicknamed Bundār because he was the bundār (chief memorizer) of ḥadīth in his time in his town, and al-bundār means the ḥāfiẓ (one who memorizes extensively). He was born in the year one hundred and sixty-seven (167 AH). The authors of the six canonical books of ḥadīth narrated from him.

Ibn Khuzaymah said in his book Kitāb al-Tawḥīd: "We were informed by the Imam of the people of his era in knowledge and reports, Muḥammad ibn Bashshār."

Ibn Ḥibbān said: "He used to memorize his ḥadīth and recite them from memory." He died in the year two hundred and fifty-two (252 AH)(1). The number of ḥadīths that al-Tirmidhī narrated from him is four hundred and sixty-five.

3 - The Imam, the memorizer, the proof (al-Ḥujjah), Abū Aḥmad Maḥmūd ibn Ghaylān, al-ʿAdawī, their freed slave, al-Marwazī. He was among the leading scholars of athar (narrations). He came to Baghdad as a pilgrim and narrated ḥadīth there. He narrated from Ibn ʿUyaynah, Abū Muʿāwiyah, Wakīʿ, ʿAbd al-Razzāq, and their peers, and he narrated extensively and with excellence. He was among the foremost horsemen of ḥadīth.

All the scholars of the ḥadīth collections narrated from him except Abū Dāwūd. Aḥmad ibn Ḥanbal said: "He is trustworthy; I know him for ḥadīth; he is a man of the Sunnah; he was imprisoned on account of the Qurʾān." Al-Nasāʾī said: "Trustworthy." He died in Ramaḍān, in the year two hundred and thirty-nine (239 AH)(2). The number of ḥadīths that al-Tirmidhī narrated from him is three hundred and one.

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(1) "Siyar Aʿlām al-Nubalāʾ" 12/144–149.
(2) "Siyar Aʿlām al-Nubalāʾ" 12/223–224, and "Tārīkh Baghdād" 13/89–90.