National Museum of Nuclear Science & History
H. F. Delo worked for the Edenfield Electric Company.
Joyce M. Hopkins was a research assistant in the Health Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Grover H. Catt served in the 393rd Bombardment Squadron.
Norma Gwendelyn Wentworth Mathis, wife of Gilbert P. Mathis, was a US Army Signals Corps employee at Los Alamos.
