National Museum of Nuclear Science & History
R. H. Elder worked for the Edenfield Electric Company.
Jim Johnson was an ordnanceman at Los Alamos from 1944 to 1945. He was born on January 8, 1926, and started work at the Naval Ordnance Test Station at China Lake, Califiornia in 1944.
Jacob W. Cox was born in Pittsburgh PA. on September 27, 1913. He graduated from Carnegie Institute of Technology on June 8, 1936 with a bachelor’s degree in Mechanical Engineering.
McMahon worked in the 100 D Area at Hanford during the Manhattan Project.
