National Museum of Nuclear Science & History
Raymond Ledford worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Arthur S. Olson was a laborer at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John Nicklin worked for the United States Engineer District Office.
Irving Bubos was a research assistant in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago during the Manhattan Project.
