National Museum of Nuclear Science & History
H. W. Caldwell worked for the Edenfield Electric Company.
Baumann worked in the United States Engineer District Office.
Norris W. Embrey was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Gioacchino Failla was an Italian-American physicist who served as a consultant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
