SWETT, John Appleton, physician, born in Boston, Massachusetts, 3 December, 1808; died in New York city, 18 September, 1854. He was graduated at Harvard in 1828, received his medical degree there in 1831, and after serving in the New York dispensary studied in Paris and visited hospitals in Europe. From 1842 until his death he was one of the physicians to the New York hospital, and delivered courses of lectures there on diseases of the chest and kidneys. In 1853 he was appointed professor of the theory and practice of medicine in the University of the city of New York. Several years before his death he gave particular study to Bright's disease. About 1840 he became associated with Dr. John Watson as editor of the "New York Journal of Medicine." His lectures were published in the New York "Lancet," and afterward appeared in book-form, under the title "Treatise on Diseases of the Chest" (New York, 1852).