National Museum of Nuclear Science & History
E. L. Hile worked for the Fercleve Corporation.
P. R. Engles worked at the 300 Area at Hanford during the Manhattan Project.
Dellis Caho was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Julius Sirota was an Americah chemist. He worked for the Substitute Alloy Materials on the Manhattan Project at Columbia University.