National Museum of Nuclear Science & History
Clarke worked in the United States Engineer District Office.
Robert Serber (1909-1997) was an American physicist. He was recruited by J. Robert Oppenheimer to work on the Manhattan Project.
Gerold Tenney was a member of the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project.
C. E. Mitchell worked for the Roane-Anderson Company.