National Museum of Nuclear Science & History
H. M. Ellis, Jr. worked for the Roane-Anderson Company.
M. O. Swanson worked for the United States Engineer District Office.
David Nicodemus (1916-1999) was an American physicist. Nicodemus worked at Los Alamos during the Manhattan Project and witnessed the Trinity Test.
Harold Symons worked for the Tennessee Eastman Corporation at the Y-12 Plant.
C. E. McGill, Sr. worked for the Kellex Corporation at the K-25 Plant.