Ansel Adams meets photographer Edward Weston at Albert Bender's. William Colby, executive director of the Sierra Club, ... Adams's Sierra Nevada: The John Muir Trail is published.

As curator, John Szarkowski, former director of photography at New York's Museum of Modern Art, has picked 114 Adams photos, many not so well known. JOHN SZARKOWSKI, Curator: ...

John Fremont leads an expedition to California, and brings along professional photographer Solomon N. Carvalho, who successfully makes many good photographs. 1854 ...

Ansel Adams will later call O'Sullivan's work "one of the most extraordinary photographs ever made in America." 1875 John K. Hillers becomes the first person to photograph the Grand Canyon.