Group photograph of the attendees of the American Astronomical Society meeting, posed in front of Mount Wilson Observatory's main office building in Pasadena. The central doorway to the office building is directly behind the group, with a balcony above it. To the far right is a tall shrub. A portion of the lawn and sidewalk is seen in front of the group. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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