National Museum of Nuclear Science & History
Henry Farlow worked for the J.A. Jones Construction Company.
Dr. Karl Larsen worked at Massachusetts Institute of Technology during the Manahattan Project. While there, he conducted heavy-water research by spectrum analysis, which was one of the prerequisites to the early atomic bombs.
Duren Howard Shields was a staff worker at Los Alamos during the Manhattan Project. During his time there, he worked on building the experimental casing for the bomb.