SAN FRANCISCO (AP) — Roadside shacks, garbage, circus wagons, subway riders and other ordinary folk: All were favorite subjects of Walker Evans, one of the 20th century's pre-eminent photographers. Those images are among 400 of Evans' prints, paintings and personal items at a new exhibition at the San Francisco Museum of Modern Art. Called the quintessential American photographer by museum director Neal Benezra, Evans influenced many others including Diane Arbus, Robert Frank and Lee Friedlander. The exhibit was conceived as a 50-year retrospective highlighting the photographer's fascination with popular culture as a celebration of the beauty in everyday life. The show includes signs and postcards from his extensive personal collection.Read more on NewsOK.com