National Museum of Nuclear Science & History
Arthur Watmough was an electrical engineer working for the DuPont Chamberworks Company in New Jersey from 1941 to 1947.
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.
Schrader worked at the 200 West Area at Hanford during the Manhattan Project.
Chastain worked in the United States Engineering District Office.
