National Museum of Nuclear Science & History
L. J. Ritter worked for the Roane-Anderson Company.
Robert van Gemert worked in procurement and supply for Los Alamos during the Manhattan Project. He was also involved in organizing preparations for the Trinity Test.
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.