National Museum of Nuclear Science & History
Michael Rimek was a laborer at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Duffer Crawford worked for the civilian contractor Kellex Coroporation in New York under the supervision of Judson Swearingen.
Dexter Wolfe was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
Clyde Jones worked for the Tennessee Eastman Corporation at the Y-12 Plant.