Driving into Yosemite Valley, it’s likely you’ll encounter dozens of photographers gathered in the same locations, pointing their cameras in the same directions that Ansel Adams once did. He is a man whose name is synonymous, for many generations, with the art of photography, whose pictures spring to mind when contemplating the splendor of the American landscape. His images have become shorthand for a ubiquitous kind of photography that emphasizes the beauty and grandeur of the natural world.