Background
Ayatollah Hajj Mirza Abul Hasan Sharani(1902-1975) was born in Tehran. He was the son of Hajj Sheykh Muhammad. Abul Hasan Sharani also was the grandson of Abul Hasan Mujtahed Tehrani And Mulla Fathollah one who is the author of the commentary of "Manhaj Assadeqin".
Some of his grand teachers can be mentioned as follow: his father Sheykh Muhammad, Mirza Ali Akbar Khan Yazdi, Mirza Mahmoud Qommi, Sheykh Abdun Nabi Nouri, Sayyed Hasan Modarres, Mirza Taher Tonekaboni, Mulla Muhammad Hidaji, Sheykh Aqa Bozorg Tehrani, Mirza Mehdi Ashtiani, Sheykh Abdul Karim Yazdi the Founder of Hawzeh of Qom, sayyed Abutorab Khansari.