National Museum of Nuclear Science & History
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.
Delmar Russell worked for the United States Engineer District Office. He arrived in February 1943.
Dreeszan worked in the United States Engineer District Office.