National Museum of Nuclear Science & History
M. C. Barto worked for the Roane-Anderson Company.
Viola Vigil was a staff worker at Los Alamos during the Manhattan Project.
P. F. Grieger worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Millett worked in the 200 West 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.