National Museum of Nuclear Science & History
Ira Carpenter worked for the Edenfield Electric Company.
John “Jack” Carleton Healey, a colonel in the U.S. Air Force, participated in the Manhattan Project as part of General Groves’ staff in Washington, DC.
Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Waverly Smith was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.
