National Museum of Nuclear Science & History
Hooten worked for Stone and Webster Engineering Corporation.
Smith worked at the 100-D Area at Hanford during the Manhattan Project.
Dennis Dwyer was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Philip M. Barnes served as a lieutenant in the 1st Ordnance Squadron. He was the assistant weaponeer on Bockscar during the Nagasaki bombing mission.