National Museum of Nuclear Science & History
J. E. Davidson worked for the J.A. Jones Construction Company.
Paul was a physicist at Los Alamos during the Manhattan Project.
Elsie Mae Freeman was born in Missouri in 1900. She graduated high school in Chicago. After graduating, Elsie was recruited to work in a lab at the University of Chicago in 1919.
R. M. Saunders worked for the United States Engineer District Office.