< Page:Popular Science Monthly Volume 81.djvu 
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Dr. Simon Flexner,
Director of the Laboratories of the Rockefeller Institute, from a painting by Adèle Herter, of New York City, presented to the University of Pennsylvania by the colleagues and students of Dr. Flexner at the time he was professor there.
Director of the Laboratories of the Rockefeller Institute, from a painting by Adèle Herter, of New York City, presented to the University of Pennsylvania by the colleagues and students of Dr. Flexner at the time he was professor there.
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