National Museum of Nuclear Science & History
Marjorie Hall Bradner was a secretary at Los Alamos during the Manhattan Project. She was also the wife of Los Alamos physicist Hugh Bradner.
Swanson worked at the 300 Area at Hanford during the Manhattan Project.
Maskewitz worked with calutrons at the Y-12 plant at Oak Ridge during the Manhattan Project.
Haydn Jones was a research assistant in the Physics Division at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.