National Museum of Nuclear Science & History
John Klein was a member of the Special Engineering Detachment. He worked at the Metallurgical Lab at the University of Chicago and at Los Alamos.
Mangold worked in the 200 West Area at Hanford during the Manhattan Project.
Hershey worked at the 300 Area at Hanford during the Manhattan Project.
R. J. Lewinson served in the 509th Headquarters and Base Services Squadron.
