National Museum of Nuclear Science & History
Richard Yalman was a member of the Special Engineer Detachment and worked on polonium separation at the top-secret laboratories in Dayton, Ohio during the Manhattan Project.
Paul Stewart worked for the Roane-Anderson Company.
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.
C. E. Center worked for the Union Carbide & Carbon Corporation.
