National Museum of Nuclear Science & History
Vaughan worked at the 200 East and 200 West Areas at Hanford during the Manhattan Project.
Robert Hargraves worked for the H. K. Ferguson Company.
Manuel Betes served in the 393rd Bombardment Squadron as an Army Corporal.
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.
