National Museum of Nuclear Science & History
J. J. Murphy worked for the Union Carbide & Carbon Corporation.
Walter Treibel was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Jacob Epting worked as a carpenter in Oak Ridge, TN from November 1942 to October 1943. While Epting assumed he was building a hospital, he was never formally told about the project he was working on.
