National Museum of Nuclear Science & History
Seymour worked at the 200 West Area at Hanford during the Manhattan Project.
James R. Chapman was an engineer working for Stone & Webster when he was recruited to work on the Manhattan Project.
C. A. Nystrom worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Jack Busby was a Military Policeman from Waco, Texas, and served at Oak Ridge, TN as part of the Manhattan Project.