Complex sentence: In 1952, Victor Clyde Forsythe, a popular painter of desert scenes and cowboy artist, painted "Gunfight at O.K. Corral", a oil painting regarded by some as the most accurate depiction of the gunfight for many years.
Split into simpler sentences: In 1952, Artist Victor Clyde Forsythe, a popular desert painter and cowboy artist, painted "Gunfight at O.K. Corral". The oil painting was regarded by some as the most accurate depiction of the gunfight for many years.