He heard from ʿUbayd Allah ibn Yahya ibn Yahya, Saʿid al-Aʿnaqi, Saʿid ibn al-Zarrad, Muhammad ibn Abi al-Walid al-Aʿraj, and Muhammad ibn ʿUmar ibn Lubabah.
In 311 AH he undertook a scholarly journey during which, in Egypt, he studied under Muhammad ibn Zabbān, Muhammad ibn Muhammad ibn al-Naffāḥ, and several others; he then met Abu Jaʿfar al-Daybulī, Ibn al-Mundhir in Mecca, Muhammad ibn Muhammad ibn al-Labbād, and Ahmad ibn Nasr in Qayrawān. He returned to al-Andalus richly endowed with learning.
Many students received transmission from him, and he continued to teach until he passed away in Jumada al-Akhirah 350 AH in Córdoba.
As for his namesake—the minister and imām Ahmad ibn Saʿid ibn Ḥazm (1) ibn Ghālib, an Umayyad client from al-Andalus and the father of the jurist Abu Muhammad ibn Ḥazm—he was the younger of the two and lived after 410 AH. May Allah have mercy on them both.
72 – Ibn Miqsam, Muhammad ibn al-Hasan ibn Yaʿqūb al-Baghdādī
The eminent scholar and master Qurʾān reciter, Abu Bakr Muhammad ibn al-Hasan ibn Yaʿqūb ibn al-Hasan ibn Miqsam al-Baghdādī, the perfumer, shaykh of the reciters.