Lucretius Carus (Titus). Roman philosophical poet, b. about B.C. 99. Little is known of his life, but his name is immortalised by his atheistic work, De Rerum Natura, in six books, which is the finest didactic poem in any language. Lucretius has been said to have believed in one god, Epicurus, whose system he expounds. Full of animation, dignity, and sublimity, he invests philosophy with the grace of genius. Is said to have died by his own hand B.C. 55. Luetzelberger (Ernst Karl Julius), German controversialist b. Ditterswind, 19 Oct. 1802. He was a friend of the Feuerbachs. He wrote on The Church Tradition of the Apostle John. He also wrote a work on Jesus, translated in Ewerbeck's Qu'est ce que la Religion. In '56 he was appointed town librarian at Nuremberg. Lunn (Edwin), Owenite lecturer. Published pamphlets On Prayer, its Folly, Inutility, etc. 1839, and Divine Revelation Examined, 1841. Luys (Jules Bernard), French alienist, b. Paris, 1828. Is physician at l'Hopital de la Charité, Paris, and author of a work on The Brain and its Functions in the "International Scientific Series." Lyell (Sir Charles), geologist, b. Kinnordy, Forfarshire, 14 Nov. 1797. Was educated at Exeter College, Oxford, and devoted himself to geology. In 1830-33 appeared his great work, The Principles of Geology, which went through numerous editions. His last important work was Geological Evidences of the Antiquity of Man, in which he accepts the Darwinian theory. Died 22 Feb. 1875. Maccall (William), writer, b. Largs. Scotland, 1812. Educated at Glasgow, he found his way to the Unitarian Church which he left as insufficiently broad. He wrote Elements of Individualism ('47), translated Spinoza's Treatise on Politics ('54), wrote to the Critic as "Atticus," contributed to the National Reformer, Secular Review, etc., published Foreign Biographies ('73), and translated Dr. Letourneau's Biology and other works. Maccall was an idealistic Pantheist of strong individual character. Died at Bexley, 19 Nov. 1888. Macchi (Mauro), Italian writer, b. Milan, 1 July, 1818. Became professor of rhetoric at the age of twenty-four, when, becoming obnoxious to the Austrians by the liberty of his opinions, he was deprived of his position. He betook himself to radical journalism, founded l'Italia, a Republican journal, for which he was exiled. He was associated with Ausonio Franchi and Luigi Stefanoni in the Libero Pensiero and the Libero Pensatore, and founded an Italian Association of Freethinkers. In '61 he was elected deputy to Parliament for Cremona, and in '79 was elevated to the Senate. Died at Rome, 24 Dec. 1880. One of his principal works is on the Council of Ten. Macdonald (Eugene Montague), editor of the New York Truthseeker, b. Chelsea, Maine, 4 Feb. 1855. He learned the printer's trade in New York, where he became foreman to D. M. Bennett, and contributed to the paper, which he has conducted since Mr. Bennett's death.