Kirkpatrick (1892–1915), Australian World War I war hero (who enlisted as "John Simpson") John Simpson (RAF officer) (1907–1967), senior RAF officer in the mid-1950s and eighth Commandant Royal Observer Corps John Simpson (British Army officer) (1927–2007), British Army officer and Director SAS Miscellaneous figures John Simpson (journalist/consumer advocate) (born 1948), American consumer rights advocate and former journalist John Simpson (martyr), one of the Marian martyrs John Simpson (Presbyterian) (1740–1808), of South Carolina, in the American Revolutionary War John Simpson (Unitarian) (1746–1812), of Bath, English Unitarian minister and religious writer John Woodruff Simpson (1850–1920), American lawyer and founding partner at Simpson Thacher & Bartlett John D. Simpson (1901–1988), Canadian businessman in the Canadian Mining Hall of Fame John Milton Bryan Simpson (1903–1987), American judge John Simpson (police official) (born 1932), former director of US Secret Service and Interpol John Simpson (priest) (born 1933), Anglican clergyman Characters John Chandler Simpson, a fictional character in Eric Flint's alternate history book series 1632 See also John Simson (1668–1740), Scottish theologian Jack Simpson (disambiguation) Jackie Simpson (disambiguation)