National Museum of Nuclear Science & History
R. J. Guthrie worked for the Watson-Flagg Engineering Company.
H. A. Carpenter worked for the Edenfield Electric Company.
John P. Echert served in the 393rd Bombardment Squadron.
Phyllis O. Levy worked as a mathematician and “computer” at Oak Ridge during the Manhattan Project.
John H. Martens was a research associate and chemist at the University of Chicago Met Lab and a member of the Special Engineer Detachment at Oak Ridge.
