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.
Mathias (“Matthew”) Antone Thennes was born in 1895. He served in WW1 with the 39th Division, 153rd Regiment, in France.
Harold E. Young was a staff worker at Los Alamos during the Manhattan Project.
Rau worked for Stone and Webster Engineering Corporation.