Appleton's Cyclopedia of American Biography, edited by James
Grant Wilson, John Fiske and Stanley L. Klos. Six volumes, New York: D. Appleton
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ROOSA, Daniel Bennett St. John (ro'-zah), physician, born in Bethel. Sullivan County, New York, 4 April, 1838. His ancestor, Isaac, was a captain in the Continental army during the Revolution. Daniel entered Yale in 1856, but left on account of the failure of his health, subsequently studied chemistry under Dr. John W. Draper in New York city, was graduated at the medical department of the University of New York in 1860, and became resident physician in the New York hospital in 1862. He studied abroad in 1863, devoting himself especially to ophthalmology and otology, and in 1864 settled in practice in New York city. He was professor of the diseases of the eye and ear in the medical department of the University of the city of New York from 1863 till 1882, occupied the same chair in the University of Vermont in 1875-'80, was a founder of the Manhattan eye and ear hospital, and is now (1888) professor of those diseases in the New York post-graduate medical school, of whose faculty he is president. Dr. Roosa is a successful practitioner, eminent as a surgeon, and an acknowledged authority in the branch of his profession to which he has devoted himself, having performed the most difficult and delicate operations that occur in the prosecution of his specialty. He was president of the International otological society in 1876, and of the New York state medical society in 1879. Yale gave him the honorary degree of A. M. in 1872, and the University of Vermont that of LL.D. in 1880. He has translated from the German " Trultsch on the Ear" (New York, 1863), and, with Dr. Charles E. Hackley, "Stellwag on the Eye" (1867); and is the author of" Vest-Pocket Medical Lexicon" (New York, 1865); "Treatise on the Ear," republished in London and translated into German (1866); "A Doctor's Suggestions" (1880); and " On the Necessity of Wearing Glasses" (Detroit, 1887).
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