National Museum of Nuclear Science & History
H. G. Arnett worked for the Roane-Anderson Company.
Ellis Steinberg was an American Chemist. He was a junior chemist at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Berry worked at Los Alamos during the Manhattan Project.
Milton Burton was the Chief of Radiation Chemistry in the Metallurgical Laboratory (“Met Lab”) at the University of Chicago and later at Oak Ridge during the Manhattan Project.