Leonard Bacon, D. D., an American clergyman, born in Detroit, Mich., Feb. 19, 1802. He was educated at Yale college and at An-dover theological seminary, and in March, 1825, became pastor of the first Congregational church in New Haven, Conn., which position he held till September, 1866, when he withdrew from active pastoral duty. From 1866 to 1871 he was acting professor of revealed theology in Yale college; and since 1871 has been lecturer there on ecclesiastical polity and American church history. From about 1826 to 1838 he was one of the editors of the "Christian Spectator," a religious magazine published at New Haven. In 1843 he aided in establishing the "New Englander," a bi-monthly periodical, with which he is still associated. From 1848 to 1863 he was one of the editors of "The Independent" newspaper of New York. Among his works are: "Life of Richard Baxter" (1830); "Manual for Young Church Members" (1833); "Thirteen Historical Discourses, on the Completion of Two Hundred Years from the Beginning of the First Church in New Haven " (1839); "Slavery Discussed in Occasional Essays from 1833 to 1838" (1846); "Christian Self-Culture" (1863); "Introductory Essay" to Conybeare and Howson's "Life and Epistles of St. Paul" (1868); and many addresses before colleges which have been separately published. - His sister Delia, born in 1811, was eminent as a teacher, and author of " Tales of the Puritans" (1830), "The Bride of Fort Edward " (1839), and " The Philosophy of Shakespeare's Plays" (1857), in which she attempted to show that Francis Bacon was their author.

She resided for some time in Stratford-on-Avon, and died in Hartford in August, 1859.