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Top row, left to right: Prescott, Badger, E. T. Bell, Lucas, Arthur A. Noyes, Richard C. Tolman, Lacey, Bates, Swift, Dickinson. Bottom row, left to right: Linus Pauling, White, Schuhmann, Holton, Mayer, Emmett, Manchee, Oliver Wulf, Kirkpatrick. Edward W. Hughes slide collection. 1923