Albert Einstein, Walther Mayer, and Charles St. John at the focus of the 150-foot tower telescope, Mount Wilson Observatory. Einstein is leaning over the eyepiece, at the far left. The three men are inside the observatory dome, and are wearing coats over their suits. What apears to be an electrical switchboard is seen at the far left. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Einstein, Albert, 1879-1955 Mayer, W. (Walther), b. 1887 St. John, Charles E. (Charles Edward), 1857-1935 Astronomers Scientists Physicists Mount Wilson Observatory Interiors Telescopes Astronomical instruments Electric switchgear Group portraits Portrait photographs Group portraits. (gmgpc) Portrait Photographs. (aat) Photographic prints. (gmgpc)
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