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.
Nielsen worked at the 300 Area at Hanford during the Manhattan Project.
William Sterling “Deak” Parsons was a Rear Admiral in the United States Navy. He graduated from the United States Naval Academy in 1922 and the Naval Postgraduate School in 1929 with a concentration in ordnance.
