National Museum of Nuclear Science & History
P. E. Brooks worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Hart worked for Stone and Webster Engineering Corporation.
Natalie Marshall worked at Los Alamos on the Manhattan Project. She was married to Shad Marshall, who also worked on the project.
Robert Gustison was a research assistant at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.