National Museum of Nuclear Science & History
O. K. Mikell worked for the Roane-Anderson Company.
Eleanor Caldwell was a laboratory technician in the Health Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Josephine Hinch was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John C. Hofstede served in the 393rd Bombardment Squadron.
