|Full Name||Sayyid Muhammad Musawi Shirazi|
|Well-Known As||Sultan al-Wa'izin|
|Religious Affiliation||Twelver Shi'a|
|Place of Birth||Tehran|
|Residence||Tehran, Karbala, Qom|
|Burial Place||Abu Husayn cemetery in Qom|
|Professors||Shaykh 'Abd al-Karim Ha'iri|
|Permission for Hadith|
|Shaykh 'Abd al-Karim Ha'iri, Ayatollah Mar'ashi Najafi and Shaykh 'Abd Allah Mamaqani|
|Works||Shab-ha-yi Pishawar, Sad maqala-yi Sultani|
Sayyid Muḥammad Mūsawī Shīrazī (Persian: سید محمّد موسوی شیرازی), known as Sulṭān al-Waʿiẓīn Shīrāzī (b. 1314/1897 – d. 1391/1971) was a Shi'a scholar and the author of Shab-ha-yi Pishawar, which contains the script of his debates with Sunni scholars. He was famous for giving speeches and sermons. Sultan al-Wa'izin had preaching travels to different countries and participated in debates with Muslim and non-Muslim groups. His other works are Sad maqala-yi sultani and Guruh-i rastigaran ya firqa-yi Najiya.
Sayyid Muhammad Musawi Shirazi, known as Sultan al-Wa'izin (the Dominant Orator) was born in Tehran in 1314/1897. His father, Sayyid Ali Akbar, was known as "Ashraf al-Wa'izin" (the Noblest Orator). In the introduction of his Sad maqala-yi sultani, Sultan al-Wa'izin mentioned that his lineage reached back to Imam Musa al-Kazim (a) after 25 generations.
Sultan al-Wa'izin is considered among the scholars and distinguished orators of his time. He crossed his primary education in Paminar School in Tehran and went to Karbala in 1326/1908-9, and there, he studied under teachers including 'Ali Shahristani and Ghulam Husayn Marandi. After a while, he emigrated to Qom and participated in the class of Shaykh 'Abd al-Karim Ha'iri, the founder of Qom Seminary.
Sultan al-Wa'izin had several preaching travels to many countries including India, Egypt, Jordan, and Palestine, and participated in different debates. According to some reports, Gandhi, the political and spiritual leader of India attended the session of Sultan al-Wa'izin's debate with Brahmans.
Sultan al-Wa'izin had the permission for the transmission of hadiths from some scholars and religious authorities, including Shaykh 'Abd al-Karim Ha'iri, Ayatollah Mar'ashi Najafi and Shaykh 'Abd Allah Mamaqani. At the end of Shab-ha-yi Pishawar, he has mentioned these permissions.
Sultan al-Wa'izin passed away in 1391/1971 in Tehran and was buried in Abu Husayn cemetery in Qom.
Sultan al-Wa'izin wrote different books:
2. Sad maqala-yi Sultani (Rahnama-yi Yahud wa Nasara wa Muslimin dar ma'rifat-i Turat wa Injil wa Qur'an-i Majid): this book is a collection of the author's articles in criticism of Christianity and Judaism. These articles were written for Parcham-i Islam magazine.
3. Ghuruh-i rastigaran ya firqa-yi Najiya: Some Sunni students of religious studies in Tehran sent some written questions to Sultan al-Wa'izin. He answered those questions, then he compiled and published them as a book.
- The material for this article is mainly taken from سلطان الواعظین شیرازی in Farsi WikiShia.