National Museum of Nuclear Science & History
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
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.
Elinor Bowman was a laboratory assistant in the Chemistry Division at the Metallurgical Laboratory in Chicago during the Manhattan Project.
