WYCKOFF, William Henry, educator born in New York city, 10 September, 1807; died in Brooklyn, New York, 2 November, 1877. His father, the Reverend Cornelius C. Wyckoff, was a well-known clergyman in the Baptist church. William was graduated at Union college in 1828, and was the principal of the classical department in schools in New York city, where he fitted a larger number of pupils for Columbia and the University of New York than any other private instructor." He founded the "Baptist Advocate" (now the "Examiner ") in 1839, edited it till 1846, aided in organizing the American and foreign Bible society in 1835, and the American Bible union in 1850, was corresponding secretary of the former in 1846-'50, and held the same office in the latter in 1850-'77. He was called to the ministry by the Laight street Baptist church, New York city, in 1846, and subsequently frequently filled vacant pulpits, although he accepted no settled charge. Madison university gave him the degree of LL.D. in 1858. Dr. Wyckoff had a scholarly acquaintance with most of the European languages, made himself proficient in Hebrew during his later life, and, says Professor Charles Anthon, "had no superior in this country in his knowledge of Latin and Greek." He was a manager of the American Sunday-school union, and for many years president of the Young men's city Bible society and the Baptist domestic mission society. He was the author of several educational and religious works, including "Tile American Bible Society and the Baptists" (New York, 1841); " Documentary History of the American Bible Union" (4 vols., 1857-'67) ; and he edited an abridged edition of Charles Rollins's "Ancient History" (1848).--His son, William Cornelius, editor, born in New York city, 28 May, 1832; died in Brooklyn, New York, 2 May, 1888, was educated in his native city, became a bookkeeper in a banking establishment, and was connected with various commercial enterprises till 1861, when he became chief clerk of the National bank-note company. He subsequently engaged in the real estate business, was scientific editor of the New York "Tribune" in 1869-'78, and from the latter date until his death was secretary of the American silk association. He was an associate editor of the "Science News" in 1879-'80, United States government expert for the statistics of the American silk industry in 1880-'3, and in 1886-'8 editor of "The American Magazine." While he was a member of the staff of the New York " Tribune " he reported the annual meetings of the American association for the advancement of science, his work obtaining wide recognition as the best scientific reports that were ever made for a daily paper. He wrote many valuable papers on the subject of silk industries, and is the author of "Silk Goods in America" (New York, 1879), and "American Silk-Manufacture" (1887).