73 — Muḥammad ibn Manṣūr ibn Dāwūd ibn Ibrāhīm al-Ṭūsī * (D, S)
The Imām, ḥadith master, exemplar, Shaykh al-Islām, Abū Jaʿfar al-Ṭūsī—later al-Baghdādī—the devoted worshipper.
He studied under Sufyān ibn ʿUyaynah, Muʿādh ibn Muʿādh, Ismāʿīl ibn ʿUlayyah, Yaʿqūb ibn Ibrāhīm al-Zuhrī, Yaḥyā al-Qaṭṭān, and their contemporaries.
Those who transmitted from him include: Abū Dāwūd and al-Nasāʾī in their Sunans, Abū Jaʿfar Muṭayyin, Ibn Ṣāʿid, Muḥammad ibn Hārūn al-Ḥaḍramī, Abū ʿAbd Allāh al-Maḥāmilī, and others.
Abū Bakr al-Marwazī said: “I asked Abū ʿAbd Allāh about Muḥammad ibn Manṣūr, and he replied, ‘I know nothing but good of him; he is a man devoted to prayer.’” (1)
Al-Nasāʾī said: “Trustworthy.” (2)
Abū Ḥafṣ ibn Shāhīn related: Aḥmad ibn Muḥammad the muʾadhdhin narrated to us: I heard Muḥammad ibn Manṣūr al-Ṭūsī, with a group of people around him, and they said:
“O Abū Jaʿfar, what day do you reckon today is? People are uncertain— is it the Day of ʿArafah or not?”
He replied, “Be patient.”
He entered the house, then came out and said, “It is the Day of ʿArafah.”
They were too shy to ask him, “How did you know that?” They counted the days, and it was exactly as he had said.
I heard Abū Bakr ibn Sallām al-Warrāq say to him, “From…"