Theodore L. Cairns (July 20, 1914 – September 26, 1994) was an American chemist, a member of the National Academy of Sciences, a research scientist at DuPont Central Research, known for his contributions to U.S. scientific policy and applications of chemistry. [1] [2] Cairns was the director of the Central Research Department of E. I. du Pont de Nemours and Company.[3] He was also the chair of the Division of Chemistry and Chemical Technology of the National Research Council, on President Richard Nixon's Science Policy Task Force and Nixon's Science Advisory Committee.[2] His daughter Margaret C. Etter became a noted chemist in her own right, conducting her research at the University of Minnesota.