National Museum of Nuclear Science & History
J. V. O’Connor worked for the Union Carbide & Carbon Corporation.
James Nolan was a captain in the Provisional Engineer Detachment at Los Alamos.
Slade J. DeLaney served in the 320th Troop Carrier Squadron.
Hatfield worked in the United States Engineer District Office.
W. R. Johnson worked for the Tennessee Eastman Corporation at the Y-12 Plant.