National Museum of Nuclear Science & History
J. G. LeSieur, Jr. worked for the United States Engineer District Office.
D. M. Ellett is a mechanical engineer who joined the Manhattan Project after the end of World War II.
K. Langosch worked in the Instrument Section at the University of Chicago’s Metallurgical Laboratory during the Manhattan Project.
D. C. Miller worked for the Tennessee Eastman Corporation at the Y-12 Plant.
