National Museum of Nuclear Science & History
Philip C. McKenna was a laboratory assistant the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Shepard worked at the 200 West Area at Hanford during the Manhattan Project.
Harold R. Olson served as a private first class in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Enola Gay.
J. E. Southerland worked for the United States Engineer District Office.