He died in Nasaf on the twenty-second of Jumada II, in the year 487 AH.

74 – al-Karajī, Abū Tāhir Aḥmad ibn al-Ḥasan ibn Aḥmad *
The shaykh, imām, hadith master, and authoritative proof: Abū Tāhir Aḥmad ibn al-Ḥasan ibn Aḥmad ibn al-Ḥasan ibn Khudādād al-Karajī, al-Bāqillānī, al-Baghdādī.

Born: 416 AH.

He studied under Abū ʿAlī ibn Shādhān, from whom he heard the Sunan of Saʿīd ibn Manṣūr. He also learned from al-Barqānī, ʿAbd al-Malik ibn Bishrān, and a group of others, obtaining extensive works that he alone transmits. He was the maternal cousin of the ḥāfiẓ Abū al-Faḍl ibn Khayrūn and his companion in the pursuit of knowledge.

Those who narrated from him include Abū ʿAlī al-Ṣadafī, ʿAbd al-Wahhāb al-Anmāṭī, Ibn Nāṣir, and others; he likewise granted a written authorization to al-Sallafī.

Al-Samʿānī said: “He was a chaste, ascetic shaykh, wholly devoted to Allah, trustworthy and insightful, and would not appear in public except on Friday.”

I heard ʿAbd al-Wahhāb al-Anmāṭī say: “Abū Tāhir al-Bāqillānī possessed a broader knowledge than Abū al-Faḍl ibn Khayrūn. He was an ascetic of commendable conduct and never taught in the congregational mosque. He would say to us, ‘I am at your disposal except on Friday, for that day is reserved for going early (1) and for recitation.’ They wrote down the names of the scholars of Baghdad for Niẓām al-Mulk, …"