National Museum of Nuclear Science & History
J. M. Allen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Clementson worked at the 100-B Area at Hanford during the Manhattan Project.
Helen R. Hughes was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Stanley Simon served in the First Ordnance Squadron.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.