National Museum of Nuclear Science & History
L. G. Piercy worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Cleary worked for Stone and Webster Engineering Corporation.
Bradley worked in the United States Engineer District Office.
Marion L. Arnold was a staff member at Los Alamos during the Manhattan Project.
Edward P. Hayes was a laboratory assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
