National Museum of Nuclear Science & History
H. Dunkelberger worked for the Roane-Anderson Company.
James B. Sullivan served in the 393rd Bombardment Squadron.
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.
B. H. Roffee worked for the United States Engineer District Office.
