National Museum of Nuclear Science & History
Frank Case, Jr. worked for the Roane-Anderson Company.
Marcelline Peltier was a staff worker at Los Alamos during the Manhattan Project.
Gerritsen worked at the 300 Area at Hanford during the Manhattan Project.
Royden Johannesson worked for the United States Engineer District Office.
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.