National Museum of Nuclear Science & History
James F. Schumar was a metallurgist. In 1940, he became Chief Metallurgist at Wolverine Tube 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.
Greening worked in the United States Engineer District Office.
Edith Tenney was a nurse at Los Alamos during the Manhattan Project. She was married to SED Gerold Tenney.