National Museum of Nuclear Science & History
L. E. Jameson worked for the United States Engineer District Office.
James Barton worked as a carpenter for the DuPont Company at the Hanford, Washington site. He never knew he was working on the atomic bomb until after it was dropped in Japan.
Before WWII, Miles Leverett was a young Ph.D chemical engineer working for Humble Oil & Refining Co.
C. E. Bettis worked for the Tennessee Eastman Corporation at the Y-12 Plant.