He studied under Abu Hatim al-Razi, al-Munsajir ibn al-Salt, Abu ʿAbd Allah ibn Majah, Ishaq ibn Ibrahim al-Dabari, and their contemporaries.
Transmitters who reported from him include Sulayman ibn Ahmad al-Nassaj, Abu al-Husayn Ahmad ibn Faris the lexicographer, al-Hasan ibn ʿAbd al-Razzaq, a certain shaykh of al-Khalili, Muhammad ibn Ahmad ibn ʿUthman ibn Talhah al-Zubayri al-Qazwini, and others.
He was counted among the scholars in this field.
He died in 339 AH.
228 – al-Ushnani, Abu al-Husayn ʿUmar ibn al-Hasan ibn ʿAli*
The judge, Abu al-Husayn ʿUmar ibn al-Hasan ibn ʿAli ibn Malik al-Shaybani, al-Baghdadi, known as al-Ushnani (1).
He held a teaching session which we attended.
He narrated from his father, Muhammad ibn ʿIsa al-Madaʾini, Musa ibn Sahl al-Washaʾ, Abu Bakr ibn Abi al-Dunya, Muhammad ibn Shaddad al-Mismaʿi, and several others.
Those who transmitted from him include Ibn ʿUqda—who was older than he—Ibn al-Muẓaffar, al-Muʿafa al-Nahrawani, al-Darqutni, Abu al-Husayn ibn Bishran, and Abu al-Hasan ibn Makhlad.