QUACKENBOS, George Payn, educator, born in New York city, 4 September, 1826; died in New London, Merrimack County, N. II., 24 July, 1881. He was graduated at Columbia in 1843 and studied law, but relinquished it to become a teacher, and for many years was principal of a large collegiate school in New York city. In 1848-'50 he edited the " Literary Magazine." Wesleyan gave him the degree of LL.D. in 1863. He edited several dictionaries of foreign languages, and his school-books include "First Lessons in Composition." of which 40,000 copies have been printed (New York, 1851): "Advanced Course of Rhetoric and Composition" (1854); "School History of the United States" (1857) ; "Natural Philosophy" (1859); a series of English grammars (1862-'4); one of arithmetics (1863-'74) ; and "Language Lessons" (1876).--His son, John Duncan, educator, born in New York city, 22 April, 1848, was graduated at Columbia in 1868, became tutor there in history, was graduated at the New York college of physicians and surgeons in 1871, and since 1884 has been adjunct professor of the English language and literature in Columbia. He received the degree of A. M. from that college in 1871. He has published " Illustrated History of the World" (New York, 1876) ; " Illustrated History of Ancient Literature, Oriental and Classical " (1878); and "History of the English Language" (1884); and was the literary editor of Appletons' "Standard Physical Geography" (1887).