National Museum of Nuclear Science & History
Leslie Seward worked for the United States Engineer District Office.
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.
Hardy worked at the 200 West Area at Hanford during the Manhattan Project.
