Ostad was born in the year 1297 AH in the city of Borujerd. He was the son of Seyyed Mohammad Sajjadi. During their childhood, they worked in the market and spent the evenings in the seminary, studying grammar, syntax, jurisprudence and principles with the professors of that time
Allameh “Syed Jafar Shahidi” then entered the university in the field of literature and after completing and receiving his doctorate degree, he worked as a teacher in high schools in Tehran
Professor Allameh “Shahidi” was a researcher, translator, writer, with the degree of ijtihad and a doctorate degree in Persian language and literature, the head of Dehkhoda Institute and distinguished professor of Tehran University, and he was one of the leaders of Iran’s cultural field, who had a prominent position in the two fields of religious studies and linguistics. . In 1374, the professor provided his residence to Narmak Municipality for the use of the library