National Museum of Nuclear Science & History
Marlan Hennis worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jack D. East worked in the Instrument and Physical Measurements Group in Clinton Laboratories at the X-10 Reactor.
Gerhardt Padalski was a staff worker at Los Alamos during the Manhattan Project.
Harmon worked in the United States Engineer District Office.
Olga Nelson was a staff worker at Los Alamos during the Manhattan Project.