National Museum of Nuclear Science & History
L. R. Zumwalt worked for the United States Engineer District Office.
Douglas Meigs was a civilian chemical engineer working for H. K. Ferguson, the company that built and operated the S-50 Thermal Diffusion facility at Oak Ridge.
Hill worked for Stone and Webster Engineering Corporation.
William C. Drainer served in the 393rd Bombardment Squadron.
Johnston worked at the 300 Area at Hanford during the Manhattan Project.
