National Museum of Nuclear Science & History
W. E. Brewer worked for the Roane-Anderson Company.
Natalie Marshall worked at Los Alamos on the Manhattan Project. She was married to Shad Marshall, who also worked on the project.
Harry Blaustein worked for the Roane-Anderson Company.
James R. Chapman was an engineer working for Stone & Webster when he was recruited to work on the Manhattan Project.
Addison worked in the United States Engineer District Office.