National Museum of Nuclear Science & History
B. F. Marx worked for the United States Engineer District Office.
James C. “Jim” Keck (1924-2010) was an American physicist. Keck was considered such an outstanding student of physics at Cornell that he was drafted into the Army Special Engineering Detachment (SED), after his sophomore year.
Leonard Krouldis was a laboratory helper at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Hasselblad worked at the 100-F Area at Hanford during the Manhattan Project