National Museum of Nuclear Science & History
Calvin worked in the United States Engineer District Office.
Frederick Hobbs worked for the United States Engineer District Office.
Arthur Julius Olofson joined the Manhattan Project at Los Alamos in June 1944. Olofson developed specialized tools for components of the atomic bomb under Dr.
Priscilla (Greene) Duffield (1918-2009) was secretary for J. Robert Oppenheimer at Los Alamos during the Manhattan Project.
