Finding Aids

Carter Litchfield (1932-2007) an organic chemist who studied and specialized in edible fats and oils. In the course of his career Litchfield also built an interesting and significant collection of books, manuscripts, and ephemera relating to the history of fatty materials. The collection is arranged into seven series and includes his research with animal fats and fatty materials, collecting activities, research and publication on the history of oil mills around the world; the papers of Julius Lewkowitsch, the first authority on fats and fatty materials; the papers of Ellsworth C. Warner, founder of the Midland Linseed Products Company; and the correspondence of Frech Chemist Michel Eugène Chevreul

Joseph Lincoln Gillson (1895-1964) was the chief geologist for the DuPont Company's Development Department from 1929 to 1960. As chief geologist he traveled all over the world making explorations in search of sulfur, ilmenite, fluorspar, barytes, celestite, and other raw materials, as well as conducting investigations in search of ground water supplies, foundations, and general site studies. This is a small collection that consists of a set of notebooks and related documents from Gillson's time working for the DuPont Company, as well as a set of papers and related documents from consulting projects he did during his retirement.