Portrait of Ira Sprague Bowen in the Hale Library, Mount Wilson Obervatory's facility at Santa Barbara Street, Pasadena. Bowen is seated on a desk, and is wearing a suit, tie and eyeglasses. Behind him on the wall in the library is a portrait painting, and books on bookshelves. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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