National Museum of Nuclear Science & History
P. M. Putnam worked for the J.A. Jones Construction Company.
Arnold Kramish was a physicist in the Manhattan Project and a member of the Special Engineering Detachment (SED) at Oak Ridge, Tennessee, the Philadelphia Navy Yard, and Los Alamos.
Colonel Clifford Heflin was a decorated member of the Armed Forces, serving in the Air Force for 31 years.
