Abu ‘Abd Allah Muhammad b. Muhammad b. Nu’man al-Harithi al-Baghdadi al ‘Ukbari (338/949 – 413/ 1022), commonly known as Shaykh Mufid, was born and lived in a village until his father took him to Baghdad to further his education. There he worked largely with Shi’i and Mu’tazili scholars. He showed such promise that one of his teachers recommended that he study under one of the leading scholars of the period, ‘Ali b. ‘Isa al-Ramani. He also studied under the leading Shi’i traditionist of the time, al-Shaykh al-Saduq.

He was born in Rabi' I 11, 1293/April 6,1876 in Tehran. His father and grandfather were of scholars of the city. His great grandfather Haj Muhsin was a businessman. With the help of Manuchihrkhan I'timad al-Dawla Gorji, he founded the first print shop of Iran. Agha Buzurg married two times and had 5 sons and 4 daughters.

Education
Agha Buzurg started his primary education in Dangi school, continued it in Paminar school, and then in Fakhriyya school (Marvi school).

Shaykh Abu Talib.

Shaykh Abdul Karim al-Bahbahani.