Description: Papers of C. Dale Greffe '40, M.S. '49, (1909- ), professor of mechanical engineering (1946- ), including correspondence, reports, publications, notes, minutes, agendas, memoranda, maps, financial records, photographs, newspaper clippings, playbills, and programs relating to the National Society of Professional Engineers (1965-1973), the Illinois Society of Professional Engineers (1954-1971), Champaign City Plan Commission (1960-1969), Faculty Players Club (1945-1972) and related matters.