William Harvey 1578 1657
William Harvey, a prominent English physician and anatomist (1578-1657), is celebrated for his groundbreaking contributions to medicine, most notably his comprehensive and accurate description of the systemic circulation and the properties of blood being pumped to the brain and body by the heart. His pivotal work, De Motu Cordis, fundamentally revolutionized understanding of the human circulatory system and established the modern foundation for physiology and cardiovascular science.