National Museum of Nuclear Science & History
R. G. Humphries worked for the United States Engineer District Office.
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.
Paul Duga served in the 1st Ordnance Squadron.
Vosmer worked at the 300 Area at Hanford during the Manhattan Project.