National Museum of Nuclear Science & History
Iral B. Johns (1902-1987) was an American chemist. An associate professor of chemistry at Iowa State University, Iral B.
G. A. Luguet served in the 509th Headquarters and Base Services Squadron.
Halm worked at the 300 Area at Hanford during the Manhattan Project.
N. C. Parrish worked for the United States Engineer District Office.