National Museum of Nuclear Science & History
Robert Hobart worked for the United States Engineer District Office.
Pechar worked in the 300 Area at Hanford during the Manhattan Project.
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.
Peter Casci served in the 1st Ordnance Squadron.
