National Museum of Nuclear Science & History
E. T. O'Conner worked for the Roane-Anderson Company.
Roger Hildebrand is an American physicist and Manhattan Project veteran. He is the S.K. Allison Distinguished Service Professor, Emeritus, at the University of Chicago and is affiliated with the Enrico Fermi Institute.
George Warlick worked for the Tennessee Eastman Corporation at the Y-12 Plant.
John Costa worked at the shop in the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
