Muhammad ibn al-Hasan al-Hilli was a prominent Islamic scholar and jurist from the 14th century, known for his contributions to Shia Islam. He was born in Hilla, Iraq, and became a significant figure in the development of Islamic legal thought, particularly in the Ja'fari school of jurisprudence. Al-Hilli authored several important works, including commentaries on Islamic law and theology. His writings helped shape the understanding of Islamic jurisprudence and influenced later scholars. He is often remembered for his efforts to clarify and systematize legal principles within the Shia tradition.