Alfred H. Joy's 90th birthday party at the Hale Observatories Library, Pasadena. Joy is wearing a suit and necktie, and is standing next to an unidentified woman who is wearing a dress. They are standing in front of a chest of drawers, bookcase filled with books, and two windows with blinds drawn. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.
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