National Museum of Nuclear Science & History
P. J. Underwood worked for the Fercleve Corporation.
John O. Barker served in the 320th Troop Carrier Squadron.
G. E. Johnson worked for the United States Engineer District Office.
William E. Caldes studied chemical engineering at Princeton University. In 1943, he was recruited to join the Manhattan Project, and became the 19th project member at Los Alamos.
