National Museum of Nuclear Science & History
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.
Keith Williams worked for the Keith Williams Company.
A. J. Erickson worked for the Kellex Corporation at the K-25 Plant.
B. G. Seitz worked for the United States Engineer District Office.