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(left to right): Albert Einstein, Walther Mayer, and William W. Campbell walking towards the camera on the footbridge Leading away from the 100-inch telescope dome, Mount Wilson Observatory. The men are wearing suits, coats and hats. A small crowd of unidentified people is barely seen behind them. A tree partially blocks the view of the 100-inch telescope dome in the background. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Einstein, Albert, 1879-1955--Photographs Mayer, W. (Walther), b. 1887 Campbell, William Wallace, 1862-1938 Astronomers Scientists Physicists Mount Wilson Observatory Observatory domes Footbridges Trees Suits (Clothing) Coats Hats Group portraits. (gmgpc) Portrait Photographs. (aat) Photographic prints. (gmgpc)