Signed portrait of Wallace Carothers

        Julian W. Hill and Herman Mark

        Carothers with Carl Marvel

        Some of Carothers' early associates on the nylon project

        Charles M.A. Stine

        Carothers' family at research lab dedication

        Lammott Du Pont with Jane Carothers

        Carothers outdoors

        Wallace Carothers with neoprene

        Signed portrait of Paul J. Flory to Joe Labovsky

        Group photo showing Caroline Cooper and Joe Labovsky

        Joseph Labovsky in 1939 at the Seaford plant

        DuPont officials at the New York World's Fair


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