Leighton B. Ewell

L. G. Ackley

L.W. Hamblin

Hamblin worked in the United States Engineer District Office.

William Penney

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.

Harry J. Day