Ibn al-Nafis

Ibn al-Nafis was a prominent Arab physician and scholar from the 13th century, celebrated for his groundbreaking discovery of the pulmonary circulation of blood, which contradicted the long-held theories of Galen. His works, including 'Commentary on the Canon of Medicine', made significant contributions to the understanding of human anatomy and physiology. His insights into medical practices laid the foundation for future advancements in medicine during the Renaissance and beyond.