What was william harvey’s discovery about the human body?

Harvey was born at Folkestone, Kent, England, April 1, 1578. He received the degree of Medical Doctor from the University of Padua, Italy in 1602. After his return to England he became Fellow of the College of Physicians, physician to St. Bartholomew's Hospital, and Lumleian lecturer at the College of Physicians. In 1618, Harvey was appointed physician extraordinary to James I, and he remained in close professional relations to the royal family (Figure ​(Figure1).1). He died on June 3, 1657, at age 79. His last contribution was a book on the growth and development of the young animals entitled "De Generatione Animalium", published in 1651.