Sadr al-Din Shirazi, also known as Mulla Sadra, was a prominent Persian philosopher and theologian born in 1571 in Shiraz, Iran. He is best known for his contributions to Islamic philosophy, particularly in the fields of metaphysics and epistemology. His most significant work, Asfar, explores the nature of existence and the relationship between the soul and the body. Mulla Sadra's philosophy is characterized by the integration of Islamic thought with elements of Aristotelian and Platonic philosophy. He emphasized the importance of intuition and spiritual experience in understanding reality. His ideas have had a lasting impact on both Islamic philosophy and modern philosophical thought.