Gollings was an American painter born in Pearce City, Idaho 1878. His full name was Elling William Gollings. He worked as a cowboy until he was 25 years old; at that time he started painting and selling his work. He died in 1932 at the age of 54.
Gollings paintings made before 1923 are in the public domain according to U.S. law, why they have been used freely in role-playing games.