National Museum of Nuclear Science & History
William R. Purnell (1886-1955) was a Rear Admiral in the US Navy and served as the Navy liaison on the Military Policy Committee for the Manhattan Project.
Lawrence H. Johnston was an American physicist. After receiving his bachelor’s degree in physics from the University of California, Berkeley in 1940, Johnston followed his mentor Luis Alvarez to MIT.
Earl Thomas was an American physicist. After receiving his Ph.D. from CalTech in 1943, he moved to New Mexico to work with the Navy on rocket design and production for the Manhattan Project.
