Al-Shaykh Muhammad Ridā al-Muzaffar was a Shiite scholar of the 14th/20th century. He began his studies in theIslamic seminary of Najaf, and attended lectures by Muhammad Husayn Na'ini, Diya' al-Din 'Iraqi, Qadi Tabataba'i, and had a lot of students. Because of his influence in Najafand in order to realize his ideas, al-Muzaffar founded several scholarly and cultural institutes. He also took remarkable measures for the sake of proximity of Shiite and Sunni Muslims. He wrote books in a new and simple style, some of which are now textbooks inIslamic seminaries.

Muhammad Rida al-Muzaffar started his educations in Najaf. After learning to read and write, he began studying in the Islamic seminary at the age of 13. He studied the principles of Arabic literature and grammar with Shaykh Muhammad Taha al-Huwayzi. He then studied fiqh (jurisprudence) and usul al-fiqh (principles of jurisprudence) with prominent scholars of these fields. Some of his professors are as follow:

Al-Shaykh Muhammad Hasan al-Muzaffar, his elder brother

Muhammad Husayn Na'ini

Diya' al-Din 'Iraqi

Sayyid 'Abd al-Hadi Shirazi

Sayyid 'Ali Qadi Tabataba'i

Muhammad Husayn Gharawi Isfahani