National Museum of Nuclear Science & History
Hartman worked for Stone and Webster Engineering Corporation.
Robert Fortenberry worked as a security guard and protected bomb components at Los Alamos during the war.
Lester W. Mingin served in the 1st Ordnance Squadron.
Bretscher worked at Los Alamos during the Manhattan Project.
Harvey Grove worked for the Tennessee Eastman Corporation at the Y-12 Plant.
