National Museum of Nuclear Science & History
John Marcy worked for the Kellex Corporation at the K-25 Plant.
Lawrence Thomas Abraham was a contractor who served as the construction superintendent at Los Alamos during the Manhattan Project.
William Penney (1909-1991) was a British mathematician and physicist. William Penney’s first assignment of the war was a research position with the Royal Navy, studying collisions, explosions and shockwaves and searching for ways to use hydrodynamics to assist the navy.
Harry Pearlman worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Block worked in the United States Engineer District Office.