National Museum of Nuclear Science & History
Butts worked for Stone and Webster Engineering Corporation.
Bryan Boyd worked for the J.A. Jones Construction Company.
Julius M. Simmons was an American chemist. He worked as a research assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Shirley Lewallen was a typist for the Manhattan Project recruitment office in Hanford, Washington between 1942 and 1944.
