LUPTON, Nathaniel Thomas, chemist, born in Frederick county, Virginia, 19 December, 1830. He was graduated at Dickinson college in 1849, spent two winters in Heidelberg, studying chemistry under Bunsen, and was professor of chemistry and geology in Randolph Macon college in 1857-'8 and in the Southern university, Greensborough, Alabama, in 1858-'71. In 1871 he was called to the presidency of the University of Alabama, with the chair of chemistry, and three years later was made professor of chemistry in Vanderbilt university, becoming also dean of the faculty of pharmacy. For eleven years he continued in these offices, devoting considerable time to the improvement of the sanitary and other economic conditions of life in Nashville and in Tennessee. In 1885 he was appointed state chemist of Alabama, and professor of chemistry in the Agricultural college of Alabama, in Auburn. He received the honorary degree of M. D. from Vanderbilt university and that of LL. D. from the University of Alabama in 1875. Professor Lupton is a member of scientific societies, was vice-president of the American chemical society in 1880, chairman of the section on chemistry of the American association for the advancement of science in 1877, and vice-president of that association in 1880. In 1874 he attended the congress of Orientalists in London. Besides his minor contributions to technical literature he has published "The Elementary Principles of Scientific Agriculture" (New York, 1880).