National Museum of Nuclear Science & History
Arthur Sievert worked for Hanley & Company.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.
Harvey worked in the United States Engineer District Office.
Arthur C. Damask served in the 603rd Air Engineering Squadron.