National Museum of Nuclear Science & History
R.J. Stepheson was a consultant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Eldred C. “E.C.” Nelson (1917-2008) was an American physicist. Not long after arriving at the University of California, Berkeley to study physics, Nelson was recruited by his professor, J.
Johnson worked at the 100-F Area at Hanford during the Manhattan Project.
William MacLeod worked for the United States Engineer District Office.
