National Museum of Nuclear Science & History
Matson worked in the 100 B Area at Hanford during the Manhattan Project.
Graham worked at the 300 Area at Hanford during the Manhattan Project.
John P. Flannery worked for H.K. Ferguson Co. and Morrison Knudson. Co. on construction at Oak Ridge, TN during the Manhattan Project.
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.
