National Museum of Nuclear Science & History
A. B. Carper worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Helena Calloway was a laboratory assistant in the Chemistry Division of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
William W. Koons served in the 603rd Air Engineering Squadron.
Attended Fordham University.
Although the flow of information about the Manhattan Project was tightly controlled, New York Times reporter William L.
