National Museum of Nuclear Science & History
R. Q. Williams worked for the Roane-Anderson Company.
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.
Chien-Shiung Wu (1912-1997) was a Chinese American physicist. During the Manhattan Project, she worked at Columbia University, helping develop the process for separating uranium metal into U-235 and U-238 isotopes by gaseous diffusion.
Lewis worked for Stone and Webster Engineering Corporation.