National Museum of Nuclear Science & History
F. A. Lehmann worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Armstrong worked in the United States Engineer District Office.
John W. Marden was deputy research director at the Westinghouse Electric Corporation Lamp Plant in Bloomfield, New Jersey.
Twohey worked for Stone and Webster Engineering Corporation.
William Brilliant was a guard at the Metallurgical Laboratory in Chicago during the Manhattan Project.