National Museum of Nuclear Science & History
Charles Ragan worked for the United States Engineer District Office.
Charles Runyan was a staff worker at Los Alamos during the Manhattan Project.
Clarence Schalia was a staff worker at Los Alamos during the Manhattan Project.
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.