Ansel Adams was an American landscape photographer and environmentalist known for his black-and-white images of the American West. He helped found Group f/64, an association of photographers advocating “pure” photography, which favored sharp focus and the use of the full tonal range of a photograph. Adams has great influence in making photography into an art form and helping shape people’s attitudes about wild areas. ANSEL ADAMS: A DOCUMENTARY FILM (2002, 102min) was directed by Ric Burns.