Dupont (Jacob Louis), a French mathematician and member of the National Convention, known as the Abbé Dupont, who, 14 Dec. 1792, declared himself an Atheist from the tribune of the Convention. Died at Paris in 1813. Dupont de Nemours (Pierre Samuel), French economist, b. Paris, 14 Dec. 1739. He became President of the Constituent Assembly, and was a Theophilantrophist. Died Delaware, U.S.A., 6 Aug. 1817. Dupuis (Charles François), French astronomer and philosopher, b. Trie-le-Chateau, 16 Oct. 1742. He was educated for the Church, which he left, and married in 1775. He studied under Lalande, and wrote on the origin of the constellations, 1781. In 1788 he became a member of the Academy of Inscriptions. At the Revolution he was chosen a member of the Convention. During the Reign of Terror he saved many lives at his own risk. He was afterwards one of the Council of Five Hundred, and president of the legislative body. His chief work is on the Origin of Religions, 7 vols., 1795, in which he traces solar worship in various faiths, including Christianity. This has been described as "a monument of the erudition of unbelief." Dupuis died near Dijon, 29 Sept. 1809. Dutrieux (Pierre Joseph), Belgian physician, b. Tournai, 19 July, 1848. Went to Cairo and became a Bey. Died 1 Jan. 1889. Dutton (Thomas), M.A., theatrical critic, b. London, 1767. Educated by the Moravians. In 1795 he published a Vindication of the Age of Reason by Thomas Paine. He translated Kotzebue's Pizarro in Peru, 1799, and edited the Dramatic Censor, 1800, and the Monthly Theatrical Reporter, 1815. Duvernet (Théophile Imarigeon), French writer, b. at Ambert 1730. He was brought up a Jesuit, became an Abbé, but mocked at religion. Duvernet became tutor to Saint Simon. For a political pamphlet he was imprisoned in the Bastille. While here he wrote a curious and rare romance, Les Devotions de Mme. de Bethzamooth. He wrote on Religious Intolerance, 1780, and a History of the Sorbonne, 1790, but is best known by his Life of Voltaire (1787). In 1793 he wrote a letter to the Convention, in which he declares that he renounces the religion "born in a stable between an ox and an ass." Died in 1796. Dyas (Richard H.), captain in the army. Author of The Upas. He resided long in Italy and translated several of the works of C. Voysey.