National Museum of Nuclear Science & History
Barr worked for Stone and Webster Engineering Corporation.
William J. Jenceleski served in the 603rd Air Engineering Squadron.
Cook worked in the United States Engineer District Office.
John Nomerding was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
L. Z. Dolan worked for the Tennessee Eastman Corporation at the Y-12 Plant.