National Museum of Nuclear Science & History
Robert Leroy Platzman was a chemist at the University of Chicago Metallurgical Laboratory during World War II.
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.
William E. Adams was a staff worker at Los Alamos during the Manhattan Project.
