Makhdoom Muhammad Hashim Thattvi was one of the most prominent Islamic scholars in the history of Sindh. He was a great jurist, poet, academician, researcher, Muhaddith and Mufassir who authored hundreds of books. He also worked as chief justice in the Kalhora reign. He was the leading Islamic theologian and the Imam of the grand Masjid at Thatta. He engaged himself in missionary services. His religious dictums helped in shapping of Sindhi culture and spread of Islamic tradition in Sindh. He was believed to be a leading authority on the Fatwa-e-Alamgiri. He belonged to the Qadri Order of Sufism. He had a large following throughout the Muslim world especially in Sindh.