National Museum of Nuclear Science & History
John Armstrong worked for the Kellex Corporation at the K-25 Plant.
Arnold Feldman started college at Penn State when he was 16 and graduated with a degree is physics. He was drafted into the Army and was doing his basic training in Louisiana, when his sergeant told him he was going to New York City.
Emily Ninger was a staff worker at Los Alamos during the Manhattan Project.
Hayes worked in the United States Engineer District Office.
James H. Alexander was a staff member at Los Alamos during the Manhattan Project.