National Museum of Nuclear Science & History
Neff worked at the 100-F Area at Hanford during the Manhattan Project.
Rose Pingel was a staff worker at Los Alamos during the Manhattan Project.
Hayden Rector was a contract attorney for the U.S. Army Corps of Engineers at Hanford, WA during the Manhattan Project.
T. L. Young worked for the Tennessee Eastman Corporation at the Y-12 Plant.