National Museum of Nuclear Science & History
H. R. Koonce worked for the J.A. Jones Construction Company.
Frankie R. Johnson served in the 393rd Bombardment Squadron.
H. E. Evans worked at the 100-D Area at Hanford during the Manhattan Project.
Olge W. Hess was a research assistant at the University of Chicago’s Metallurgical Laboratory.
Joseph Gilbert “Joe” Hamilton (1907-1957) was a physician who directed biomedical research at the Berkeley site of the Manhattan Project.