National Museum of Nuclear Science & History
Ralph Lawson worked for the United States Engineer District Office.
Philip M. Barnes served as a lieutenant in the 1st Ordnance Squadron. He was the assistant weaponeer on Bockscar during the Nagasaki bombing mission.
Mortimer Schwartz served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
George Kistiakowsky (1900-1982) was a Ukrainian-American physical chemist. He joined the Manhattan Project in late January 1944, leaving his role as chief of the National Defense Research Committee’s Explosives Division.
