ALLEN, Timothy Field, physician, born in Westminster, Vermont, 24 April 1837. He was graduated at Amherst College in 1858 and at the medical school of the University of the city of New York in 1861. From 1861 to 1863 he practiced in Brooklyn, New York, and during 1862 was acting assistant surgeon in the United States army. Since 1863 he has followed his profession in New York. He became professor of materia medica in the New York Homeopathic medical College in 1867, and since 1882 has been its dean. He is also surgeon to the New York ophthalmic hospital. He has published "Encyclopaedia of Materia Medica" (10 vols., New York, 1874-'79) ; "Index" to the same (1881) ; "Ophthalmic Therapeutics" (1878), and "Characem Americanae" (Boston, 1880).