National Museum of Nuclear Science & History
Grace Hardin worked for the J.A. Jones Construction Company.
Mortimer D. Abbott was a group leader in the Technical Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Raymond Sheline was a chemist at Columbia University and a member of the Special Engineer Detachment at Oak Ridge and Los Alamos.
Paul R. O’Connor was a junior chemist at the University of Chicago Met Lab during the Manhattan Project.
