National Museum of Nuclear Science & History
Seth Neddermeyer (1907-1988) was an American physicist. Neddermeyer was recruited to work on the Manhattan Project by J.
Joseph LaRocco was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
G. P. Happ worked for the Tennessee Eastman Corporation at the Y-12 Plant.
R. Christie worked in the United States Engineer District Office.