National Museum of Nuclear Science & History
William F. Lightfoot worked on the fuse of the “Fat Man” implosion bomb as manufacturing and test equipment manager for the Raytheon Company.
Mary Sisk worked for the United States Engineer District Office.
Cartmell worked at the 300 Area at Hanford during the Manhattan Project.
Seth Neddermeyer (1907-1988) was an American physicist. Neddermeyer was recruited to work on the Manhattan Project by J.