National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Margaret H. Sanderson was a laboratory technician in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Albert Steiner was a staff worker at Los Alamos during the Manhattan Project.
Ray Mettelka worked for the Tennessee Eastman Corporation at the Y-12 Plant.
