National Museum of Nuclear Science & History
Dorothea Sacher was a non-techical staff worker at the Metallurgical Laboratory in Chicago during the Manhattan Project.
Conrad worked in the United States Engineer District Office.
Maurice “Maury” Shapiro was an American physicist who studied underwater explosions at Los Alamos during the Manhattan Project.
Henry Fritz was a chemist in the Special Engineering Detachment assigned to the K-25 Plant in Oak Ridge, Tennesee.
