Gibson (1814–1871), English barrister and antiquarian William H. Gibson (educator) (1829–1906), American educator and civil rights activist William Pettigrew Gibson (1902–1960), Scottish art historian, Wallace Collection, Courtauld Institute of Art, National Gallery William Willard Gibson Jr. (born 1932), lawyer in Texas William Gibson (NAACP activist) (1933–2002), American dentist and chairman of NAACP William Clyde Gibson (born 1957), American convicted serial killer William Gibson (historian) (born 1959), British historian, academic, writer, and professor