National Museum of Nuclear Science & History
John Kennedy worked for the United States Engineer District Office.
E. H. Halbrook worked for the J.A. Jones Construction Company.
Natalie Marshall worked at Los Alamos on the Manhattan Project. She was married to Shad Marshall, who also worked on the project.
Theodore Boinski (1920-2008) was a laboratory assistant at the Metallurgical Laboratory in Chicago during the Manhattan Project.