National Museum of Nuclear Science & History
Paul Gerhard worked for the Kellex Corporation at the K-25 Plant.
Joseph L. Connaughton served in the 393rd Bombardment Squadron.
Hart worked for Stone and Webster Engineering Corporation.
J. H. Marsh worked for the Kellex Corporation at the K-25 Plant.
Harry Reason was a janitor at the Metallurgical Laboratory in Chicago during the Manhattan Project.
