Clarence Sinclair Bull (May 22, 1896 – June 8, 1979) was a portrait photographer who worked for movie studios during the "Golden Age of Hollywood". He was head of the Metro-Goldwyn-Mayer stills department for nearly forty years.
Clarence Sinclair Bull was born in Sun River, Montana in 1896. His career began when Samuel Goldwyn hired him in the 1920 to photograph publicity stills of the MGM stars. He is most famous for his photographs of Greta Garbo taken during the years of 1926-1941. Bull's first portrait of Garbo was a costume study for the Flesh and the Devil, in September 1926.
Bull was able to study with the great Western painter, Charles Marion Russell. He also served as an assistant cameraman in 1918. Bull was skilled in the areas of lighting, retouching, and printing. He was most commonly credited as "C.S. Bull."
Bull died on June 8, 1979 in Los Angeles, California, aged 83.