National Museum of Nuclear Science & History
Don Cowen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. W. Llewellyn worked for the United States Engineer District Office.
Rife worked for Stone and Webster Engineering Corporation.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
T. D. DeWine worked for the J.A. Jones Construction Company.
