National Museum of Nuclear Science & History
George I. Ray worked for the G.G. Ray Company.
McCarty worked in the 100 F Area at Hanford during the Manhattan Project.
Arthur N. Jaffey was an associate chemist at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Evelyn Brown was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
