National Museum of Nuclear Science & History
Grace Wallace worked for the United States Engineer District Office.
Burke worked in the United State Engineer District Office.
George Meyers was a glassblower at the SAM Laboratory at Columbia University. He was only a teenager, but had a talent for glass blowing by hand that was needed by Columbia's scientists.
Nathalie Goldowski was a metallurgist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”).