National Museum of Nuclear Science & History
J. N. Holt worked for the United States 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.
John Price was a staff worker at Los Alamos during the Manhattan Project.
Albert Tannenbaum was a research associate at the Metallurgical Laboratory in Chicago during the Manhattan Project.