BELL, John, physician, born in Ireland in 1796 ; died in 1872. He immigrated to the United States in 1810, was graduated at the University of Pennsylvania in 1817, was for several years a lecturer on the institutes of medicine in the Philadelphia medical institute, and afterward professor of the theory and practice of medicine in the medical College of Ohio. He was widely known as a lecturer and popular medical writer. His principal works are "Baths and 5lineral Waters" (Philadelphia, 1831) ; "Health and Beauty" (1838) ; "Regimen and Longevity" (1842);" Lectures on the Practice of Physic" (4th ed., 1848);" Baths and the Water Regimen" (1849); and "Mineral and Thermal Springs of the United States and Canada" (1855). Dr. Bell was editor of several medical journals.