Al-Muhaqqiq Al-Hilli, also known as Muhammad ibn al-Hasan al-Hilli, was a prominent Shia Islamic scholar and jurist born in 1257 CE in Hilla, Iraq. He is best known for his contributions to Islamic jurisprudence and theology, particularly within the Ja'fari school of thought. His works laid the foundation for later scholars and significantly influenced Shia legal theory. He authored several important texts, including the renowned Sharh al-Lum'a, which is a commentary on the legal principles of the Shia faith. Al-Muhaqqiq Al-Hilli's scholarship emphasized rationality and critical thinking, making him a key figure in the development of Shia intellectual tradition during the medieval period.