National Museum of Nuclear Science & History
Heatherington worked for Stone and Webster Engineering Corporation.
Robert Fortenberry worked as a security guard and protected bomb components at Los Alamos during the war.
G. W. Moorehouse worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Walter M. Longfelt was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.