National Museum of Nuclear Science & History
Alfred Pfanstiehl was a junior physicist at the Chicago Met Lab during the Manhattan Project. Pfanstiehl was a signatory of the Szilard Petition, an attempt to avert military use of the atomic bomb against Japan.
Schissler worked at the 200 West Area at Hanford during the Manhattan Project.
Robert Harrison was an engineer in the Special Engineering Detachment (SED) in Oak Ridge, Tennessee from August 1944 to August 1945.
Bernard Rosenman served in the Special Engineer Detatchment (SED) at Los Alamos during the Manhattan Project