National Museum of Nuclear Science & History
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.
Rosalyn Thomas was a staff worker at Los Alamos during the Manhattan Project.
W. H. Pickett worked for the United States Engineer District Office.
Groswith worked at the 200 West Area at Hanford during the Manhattan Project.