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ID: 315214
Members of the Hayden Planetarium - Grace Peruvian Expedition; left to right: Clyde Fisher, Owen Stephens, Hans C. Adamson, Dorothy Bennett, William H. Barton, and Charles H. Coles, April, 1937
ID: 315164
Staff of the Hayden Planetarium - Grace Peruvian Expedition; left to right: Hans C. Adamson, Dorothy Bennett, Clyde Fisher, leader, William H. Barton, Jr., and Charles H. Coles, and April, 1937
ID: 315163
Staff of the Hayden Planetarium - Grace Peruvian Expedition; left to right: Charles H. Coles, Clyde Fisher, leader, Dorothy Bennett, William H. Barton, Jr., and Hans C. Adamson and April, 1937