National Museum of Nuclear Science & History
C. D. Mahood worked for the Roane-Anderson Company.
Richard Emanatian was with the military police detachment at Los Alamos during the war. He maintained secrecy through the rest of his life, and his family only found about his involvement long after his death.
Cannon worked for Stone and Webster Engineering Corporation.
Nathaniel Saxe worked for the Kellex Corporation at the K-25 Plant.