National Museum of Nuclear Science & History
B. H. Hagedorn worked for the Edenfield Electric Company.
Tom Forkner was a US Army lieutenant and logistics officer who worked at Oak Ridge, TN and New York, NY during the Manhattan Project.
Hans Bethe (1906-2005) was a German-American nuclear physicist and winner of the 1967 Nobel Prize in Physics.
Johnson worked at the 300 Area at Hanford during the Manhattan Project.