National Museum of Nuclear Science & History
F. A. Thomas worked for the Edenfield Electric Company.
Sanford McDonnell was a mechanical engineer with the Special Engineering Detachment at Los Alamos from April 1944 to April 1946.
Thomas Lauritsen was a Danish-born American physicist. His research focused on the nuclear spectroscopy of the light nuclei.
Clarence Phillips worked for the United States Engineer District Office.