National Museum of Nuclear Science & History
G. P. Happ worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Gritten worked in the United States Engineer District Office.
A. B. Cardwell worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
