National Museum of Nuclear Science & History
Audrey Smythe worked for the Union Carbide & Carbon Corporation.
Benjamin Nelson served in the Army at Los Alamos during the Manhattan Project.
Ellis Ryan was a staff worker 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.