National Museum of Nuclear Science & History
Dean Castimore was a Manhattan Project veteran and a fireman. During the war he was stationed at Los Alamos.
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.
Mangold worked in the 200 West Area at Hanford during the Manhattan Project.