National Museum of Nuclear Science & History
H. W. Oldfield worked for the Roane-Anderson Company.
George Economou was an optical systems expert. Economou graduated from Harvard University with a degree in astronomy.
Kathleen “Kay” (Gavin) Florin was a clerk in the chemistry division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Harmon worked in the United States Engineer District Office.
