National Museum of Nuclear Science & History
J. J. Mitchell worked for the Fercleve Corporation.
Howard Peters was a truck driver for the Hanford, Washington facilty from July 1943 to December 1946.
Opal MacDonald was a stenographer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
E. A. Prichard worked for Clinton Laboratories at the X-10 Reactor.