National Museum of Nuclear Science & History
Leane Russell was a biologist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
R. G. Humphries worked for the United States Engineer District Office.
H. A. Carpenter worked for the Edenfield Electric Company.
Michael Cefola was an American chemist and a research associate at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
