National Museum of Nuclear Science & History
Joseph Vollmer served in the army at Los Alamos during the Manhattan Project.
John Brady served as a Machinist at the Hanford Nuclear Reservation from 1943 to 1960. He was proud of the work he did at Hanford, though it was always a mystery to his children because Brady wouldn't talk about his job.
R. W. Erickson worked at the 200 West Area at Hanford during the Manhattan Project.