National Museum of Nuclear Science & History
John Brolley was a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
John C. Hofstede served in the 393rd Bombardment Squadron.
Frances C. Micese was a laboratory technician in the Health Division of the University of Chicago Met Lab.
Frank R. Johnson was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Halbrook worked in the United States Engineer District Office.