National Museum of Nuclear Science & History
Paul Stewart worked for the Roane-Anderson Company.
Henry W. Newson (1909-1978) was an American nuclear physicist. After earning his Ph.D. from the University of Chicago in 1934, Newson received a fellowship to the Radiation Laboratory at the University of California, Berkeley and worked with Ernest O.
B. M. Pitts worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Seymour Calvert served for 11 months in the Special Engineering Detachment at Los Alamos. He specialized as a chemical engineer, and carried out experiments with beryllium that were often dangerous.