William Harvey demonstrating to King Charles, c 1616.

Mezzotint by H Lemon after R Hannah. William Harvey demonstrating to King Charles I his theory of the circulation of the blood. The English physician William Harvey MD, FRCP (1578-1657), was attached to St Bartholomew's Hospital, and was physician to both James I and Charles I. Best known for discovering the circulation of the blood, made public in 1616, Harvey also superintended the physical examination of women accused of witchcraft and built a library for the Royal College of Physicians. Isued by Lloyd Bros, March 1851.