Yerkes Observatory staff and visitors. Top left hand group, from right to left: George Ellery Hale, Edwin B. Frost, Edward E. Barnard, Harry Goodwin, and Ernest Nichols. Below them on the steps, right to left: Frank Schlesinger and Ferdinand Ellerman. Even lower, and on the wall of the steps, right to left: Allen L. Colton, George W. Ritchey, and John A. Parkhurst Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
Hale, George Ellery, 1868-1938 Frost, Edwin Brant, 1866-1935 Barnard, Edward Emerson, d. 1923 Goodwin, Harry Nichols, Ernest Fox, 1869-1924 Schlesinger, Frank, 1871-1943 Ellerman, Ferdinand, 1869-1940 Colton, Allen Lysander, b. 1857 Ritchey, G.W. (George Willis), b. 1864 Parkhurst, John A Astronomers Group portraits. (gmgpc) Portrait Photographs. (aat) Photographic prints. (gmgpc)
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