National Museum of Nuclear Science & History
F. C. Pullen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
William Sehenk worked on procurement and property at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Helen Mannon worked for the Roane-Anderson Company.
William P. Norris was an associate bio-chemist at the University of Chicago Met Lab. After a stint at the Dow Chemical Company, he joined the Manhattan Project in July 1944.