National Museum of Nuclear Science & History
Robert Ball was a security guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Martha Walker worked for the United States Engineer District Office.
Ruth Langley worked for the United States Engineer District Office.
Carroll “Red” Gordon (1919-2008) was a machinist at Los Alamos during the Manhattan Project. Gordon was born in Topeka, Kansas on May 15, 1919.