National Museum of Nuclear Science & History
Grovsnor worked in the United States Engineer District Office.
Howard C. Bush was the base camp commander for Trinity Site.
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.
Robert JS Brown was a member of the Special Engineer Detachment at Los Alamos. He worked under Don Hornig on the electrical aspects of detonation for the plutonium bomb.