National Museum of Nuclear Science & History
Helen Thomson was a techinician in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
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.
Sam Beck Cupp Sam was born and raised in New Bloomfield, PA on March 27, 1918, the son of the late Lawrence E.