National Museum of Nuclear Science & History
Mary Littleton worked for the J.A. Jones Construction Company.
Gritten worked in the United States Engineer District Office.
Ralph B. Larsen was a machinist at Los Alamos during the Manhattan Project. His wife, Ruth Anderson, also worked at Los Alamos.
Raymond Frank was a metallurgist at the University of Chicago and stayed with the Met Lab after graduating from the university.
H. E. Armstrong worked for the Tennessee Eastman Corporation at the Y-12 Plant.
