William Smith

William Smith, (born March 23, 1769, Churchill, Oxfordshire, Eng.—died Aug. 28, 1839, Northampton, Northamptonshire), English engineer and geologist who is best known for his development of the science of stratigraphy. Smith’s great geologic map of England and Wales (1815) set the style for modern geologic maps, and many of the colourful names he applied to the strata are still in use today.