Physician, born, the son of a baker, at Bathgate, Linlithgowshire; graduated M.D. at Edinburgh in 1832; was assistant to the professor of Pathology and one of the Presidents of the Royal Medical Society before his election to the chair of Midwifery in 1840; as an obstetrician his improvements and writings won him wide repute, which became European on his discovery of chloroform in 1847; was one of the Queen's physicians, and was created a baronet in 1866; published "Obstetric Memoirs," "Archæological Essays," &c. (1811-1870).