National Museum of Nuclear Science & History
Rosalyn Thomas was a staff worker at Los Alamos during the Manhattan Project.
Dr. George Marshall Lyon was an American physician who assisted with radiation safety during the Manhattan Project.
Holmes worked at the 300 Area at Hanford during the Manhattan Project.
Arthur L. Hughes was an British/Welsh physicist. He worked on the Manhattan Project in St. Louis on the cyclotron and plutonium production and at Los Alamos, NM.
