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Five scientists relaxing at the Mount Wilson Hotel (Left to Right): Johannes Robert Rydberg; Aristarkh Belopolsky; Wolfer; Josef von Hepperger; and Karl Schwarzschild. Photo is mounted in an album. The men are seated in chairs on the porch of the Mount Wilson Hotel; they are all wearing suits. Schwarzchild, on the far right, is holding his hat in his lap; the other four men are wearing their hats. The hotel windows are behind them. Image courtesy of the Observatories of the Carnegie Institution for Science Collection at the Huntington Library, San Marino, California.