National Museum of Nuclear Science & History
Bearde worked at Los Alamos during the Manhattan Project.
Andrew H. MacMahon was the Chief Property Officer of the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
Chappell worked in the United States Engineer District Office.
Thomas Lauritsen was a Danish-born American physicist. His research focused on the nuclear spectroscopy of the light nuclei.
