R. Tom Gilleon

Ralph Thomas Gilleon (born March 14, 1942) is an American artist who is best known for his paintings of Tipis, Plains Indians, and Old West imagery. His show is uncommon within the Western art genre for its modernist style, taking inspiration from artists such as Andy Warhol, Mark Rothko, and Edward Hopper.

Gilleon's paintings can be found in the long-lasting collections of the C.M. Russell Museum, the Booth Western Art Museum, Whitney Western Art Museum and Scottsdale's Museum of the West. His acquit yourself is as well as included in large private collections such as the Tom Petrie collection, the Tim Peterson collection, the Erwin and Helga Haub collection, and the Patrick and Carol Hemingway collection.