National Museum of Nuclear Science & History
Jas Penny, Jr. worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Morris R. Jeppson served as a lieutenant in the 1st Ordnance Squadron. He also worked as a weapons test officer.
Madsen worked in the 100 D Area at Hanford during the Manhattan Project.
Louise Warner was a research assistant in the health division of the Chicago Met Lab during the Manhattan Project.
