National Museum of Nuclear Science & History
R. E. Lee worked for the H. K. Ferguson Company.
Owen Chamberlain (1920-2006) was an American physicist and winner of the 1959 Nobel Prize. He joined the Manhattan Project in 1942 after his graduate studies were interrupted by World War II.
Donald Engelkemeior was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Ivan Behymer came out from the Dupont 'black powder' plant in Illinois to Richland, Washington (Hanford) in March of 1943.
Marguerite Swift was an associate physiologist in the Health Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.