In 1976, John Wayne made ""The Shootist"", where he portrayed an ailing gunfighter. In 1978, John Wayne underwent open heart surgery and again battled cancer. He starred in 171 movies over a span of 50 years. America's Cowboy is a collage of ""Hondo, Horse Soldiers, Rio Bravo, Rio Lobo and McLintock."" Completed puzzle measures 19.25"" x 26.75"".