National Museum of Nuclear Science & History
Bradley worked in the United States Engineer District Office.
Robert H. Toldness served in the 320th Troop Carrier Squadron.
Homer M. O’Callaghan served in the 1st Ordnance Squadron.
William Johnson worked for the United States Engineer District Office.
Martin Moeller is the Senior Curator at the National Building Museum in Washington, D.C., where the exhibition “Secret Cities: The Architecture and Planning of the Manhattan Project” opened in 2018.
