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Subject Congdon, Ernest Arnold, 1866- Remove constraint Subject: Congdon, Ernest Arnold, 1866-

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    • circa 1900

    General view of chemist Ernest Arnold Congdon (right) in the chemistry laboratory at the Drexel Institute of Art, Science, and Industry (later Drexel University) in Philadelphia. Several laboratory stations with…

    • circa 1900

    General view of chemist Ernest Arnold Congdon seated at a desk, presumably in his office at the Drexel Institute of Art, Science, and Industry (later Drexel University) in Philadelphia. Born on August 9, 1866, Congdon…