National Museum of Nuclear Science & History
James Mc Tigrit was a military officer at los Alamos.
Leo Zbanek worked for the United States Engineer District Office.
Raymond Frank was a metallurgist at the University of Chicago and stayed with the Met Lab after graduating from the university.
William S. Biggers worked as a chemical engineer during the Manhattan Project. Biggers worked at the the Houdaille-Hershey Plant in Decatur, Illinois from April 1944 to December 1946.
