National Museum of Nuclear Science & History
Laura A. Marshall was a laboratory technician in the Health Division at the University of Chicago Met Lab.
Holeman worked at the 300 Area at Hanford 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.