John M. Naugle

J. R. Miller

Myrtle E. Karcher

Myrtle E. Karcher was a laboratory technician in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.

Frederick D. Clayton

Frederick D. Clayton served as a staff sergeant in the 393rd Bombardment Squadron. He was a member of the ground crew regularly assigned to the B-29 Bockscar.

C. M. Nelson

C. M. Nelson worked for Clinton Laboratories at the X-10 Reactor.