National Museum of Nuclear Science & History
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.
A. J. Keesing worked for the Union Carbide & Carbon Corporation.
Peter Lax is a Hungarian-born American mathematician. Lax and his family left Hungary for America in 1941, just days before Pearl Harbor.
James Jensen was a machinist at Hanford, Washington from September 1944 to the end of the war. Jensen's security clearance allowed him to machine parts and complete various tasks for the maintenance of the nuclear piles.