Jean Marie Constant Duhamel

Jean Marie Constant Duhamel, a French mathematician, born in St. Malo in 1797, died in Paris in May, 1872. He was a graduate of the polytechnic school, and a teacher there for nearly 50 years. In 1840 he became a member of the academy of sciences, and in 1851 titular professor of the faculty of sciences. He was one of the best mathematicians of the century. His principal works are Cours de mecanique de l'ecole poly technique (2 vols., 1845-'6), and Des methodes dans les sciences de raisonnement (1866 et seq.).

Jean Marie Dargaijd

Jean Marie Dargaijd, a French author, born Feb. 22, 1800. He studied law in Paris, but devoted himself to literature, and has published Histoire de Marie Stuart (2 vols., 1850), His-toire de la liberie religieuse en France et de ses fondateurs (4 vols., 1859), Histoire de Jane Grey (1862), Histoire d'Elisabeth d' Angleterre (1865), and other works.

Jean Marie Pardessus

Jean Marie Pardessus, a French jurist, born in Blois, Aug. 11, 1772, died in Paris, May 26, 1853. He became an advocate, and in 1807 a member of the legislative body in the interest of Napoleon, and was repeatedly elected a deputy under the restoration. He was professor of mercantile law from 1810 to 1830, and was one of the highest authorities on that branch of jurisprudence. His principal work is Cours de droit commercial (4 vols., Paris, 1814-'16; 6th ed., 1856). He also published Traite des servitudes (1806), Traite du contrat et des lettres de change (2 vols., 1819), Collections des lois maritimes anterieures au XVIIIme siecle (6 vols., 1828-'45), etc.

Jean Nicolas Bouilly

Jean Nicolas Bouilly, a French dramatist and novelist, born about 1763, died in Paris, April 14, 1842. He wrote the texts of many operas, including Le jeune Henri, by Mehul, and Les deux journees of Cherubini. He was also the author of several comedies and dramas, and of collections of tales for young persons, which were translated into German.

Jean Nicolas Cere

Jean Nicolas Cere, a French botanist, born in the Isle of France in 1737, died there, May 2, 1810. Under the direction of the French government he greatly extended the culture of spices in the Isle of France (now Mauritius). The agricultural society of Paris published his essay on the culture of rice, and awarded him a medal; and Napoleon confirmed him in his position as director of the botanical garden of the Isle of France, and conferred on him a pension of 6OO francs. A tree of the island has been called after him Cerea.

Jean Nicolas Corvisart - Desma-Rets

Jean Nicolas Corvisart - Desma-Rets, baron, a French physician, born near Vouziers, in Champagne, Feb. 15, 1755, died at Courbevoie, near Paris, Sept. 18, 1821. At the age of 33 he became physician at the hospital of La Charite. In 1800 he was made physician to Napoleon, who in 1802 gave him the title of baron. His principal works are a treatise on disease of the heart, and a translation of Auenbrugger's method of ascertaining diseases of the chest by percussion, to which he added valuable notes.