Walter Scott Bowman was a prominent professional photographer in Pendleton, Oregon. He captured well known action shots from the Pendleton Round-Up that are included at the National Cowgirl Hall of Fame. Bowman photographed events around Umatilla, Oregon, including parades, marching bands, railroad scenes, Pendleton High School team pictures, dances, studio portraits and images of Native American (the Umatilla Indian Reservation is adjacent to the city of Pendleton). The University of Oregon's Walter S. Bowman photographs collection includes 379 glass-plate negatives, 51 cellulose acetate negatives, and 200 silver gelatin photoprints.