Henry Boynton Smith, an American clergyman, born in Portland, Me., Nov. 21, 1815. He graduated at Bowdoin college in 1834, was a tutor there in 1836-'7 and in 1840-'41, and studied theology at Andover and Bangor, and subsequently at Halle and Berlin. He was pastor of the Congregational church in West Amesbury, Mass., from 1842 to 1847, when he became professor of mental and moral philosophy in Amherst college. In 1850 he became professor of church history in the Union theological seminary, New York, and in 1855 of systematic theology, which chair he resigned in 1873. He was elected in 1863 moderator of the New School general assembly of the Presbyterian church, and at the opening of the next general assembly in Dayton, Ohio, in 1864, delivered a discourse which was published under the title "Christian Union and Ecclesiastical Reunion." He was subsequently a member of the general assembly's committee on reunion with the Old School general assembly, and presented a report on a doctrinal basis of union (" The Reunion of the Presbyterian Churches," 8vo, 1867). In 1867 he was a delegate to the evangelical alliance in Amsterdam, where he read a " Report on the State of Religion in the United States." He was a founder of the "American Theological Review," and its editor from 1859 to 1862, when it was consolidated with the " Presbyterian Review," which he edited till 1871. His principal works are: " The Relations of Faith and Philosophy" (8vo, 1849); "The Nature and Worth of the Science of Church History " (1851); "The Problem of the Philosophy of History" (1853); "The Idea of Christian Theology as a System" (1857); "An Argument for Christian Colleges " (1857); " History of the Church of Christ, in Chronological Tables" (fol., 1859); a new edition of the Edinburgh translation of Gieseler's "Church History " (5 vols. 8vo, 1859-'63), of which vols. iv. and v. were chiefly translated by Prof. Smith; a revised edition of the Edinburgh translation of Hagenbach's "History of Christian Doctrine" (2 vols. 8vo, 1861-'2); with James Strong, a new edition of the Edinburgh translation of Stier's "Words of the Lord Jesus " (in parts, 1864 et seq.); and with R. D. Hitchcock, " The Life, Character, and Writings of Edward Robinson " (1864).