National Museum of Nuclear Science & History
W. J. Jackson worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Elsie Harrington was a civilian RO Operator at Oak Ridge, Tennessee from October 1943 to February 1947.
Joseph H. Heartberg was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
