National Museum of Nuclear Science & History
Caddell worked for Stone and Webster Engineering Corporation.
Donald MacMillan arrived in Los Alamos on May 14, 1944. He was an avid figure skater, and worked for Los Alamos National Laboratory for many years.
Ida Wallace was a laboratory assistant in the chemistry division at the Chicago Met Lab during the Manhattan Project.
Flannigan worked in the United States Engineer District Office.
