National Museum of Nuclear Science & History
Harry worked at Los Alamos during the Manhattan Project.
Winifred Elizabeth (Varner) Seagondollar was an administrative assistant at Los Alamos and the wife of physicist L.
H. L. Longcrier worked for the J.A. Jones Construction Company.
Marion Edward Cieslicki was an Polish American metallurgist who worked on the Manhattan Project from 1944 to 1946 at the University of Chicago and at Los Alamos.