National Museum of Nuclear Science & History
D. I. Nicholson worked for the United States Engineer District Office.
Steakley worked at the 100-F Area at Hanford during the Manhattan Project.
Robert F. Christy (1916-2012) was a Canadian-American theoretical physicist Christy’s doctoral advisor at the University of California, Berkeley was Robert Oppenheimer, but Christy’s initial involvement with the Manhattan Project came at the Metallurgical Lab at the University of Chicago.