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.
Edward Walsh worked for the United States Engineer District Office.
During WWII, Dr. Arthur Sucsy worked as a chemist on the Y-12 Plant at Oak Ridge, TN. Dr. Sucsy worked with a team of scientists responsible for examining the physical and chemical properties of uranium.