Born in Cornwall, John Davy (1790-1868) physiologist and anatomist, and the younger brother of the distinguished chemist Sir Humphry Davy (1778-1829), was one of the most prolific medical experts of his day. After taking a medical degree from Edinburgh in 1814 he became an army surgeon. He later became a hospital inspector and spent time living in overseas territories including India, Sri Lanka, and Barbados. First published in 1862, Davy's book discusses...