Dinnertime at the Kern River during a Sierra Club Outing. John Muir is seated on a log talking with Miss Kneffer, a Vassar professor. At the left is Miss Nora Thomas. 1908. Photographer unknown. Photo courtesy of the Sierra Club.
John Muir and President Theodore Roosevelt standing in front of the Grizzly Giant in Mariposa Big Tree Grove in 1903. Photograph by Joseph N. LeConte (1870–1950). Left to right: Two Secret Service agents, Secretary of the Navy William Henry Moody, California Governor George Pardee, Roosevelt, Dr. Presley Marion Rixey, Muir, Nicholas Murray Butler, Presidential secretary William Loeb Jr, and University of California president Benjamin Ide Wheeler. Image courtesy of the Sierra Club.