National Museum of Nuclear Science & History
Bergen McCormick worked for the J.A. Jones Construction Company.
Henry Jarrell, Jr. worked for the Kellex Corporation at the K-25 Plant.
A. E. Ballard worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elizabeth Sands was a staff worker at Los Alamos during the Manhattan Project. She was married to physicist Matthew Sands.
