DUPUY DE LOME, STANISLAS CHARLES HENRI LAURENT (1816-1885), French naval architect, the son of a retired naval officer, was born at Ploemeur, near Lorient, on Oct. 15, 1816. He entered the Ecole Polytechnique in 1835, and in 1842 was sent to England to study and report on iron ship building. Acting on his report, which was published in 1844, the Government built their first iron vessels under his super vision. He planned and built the steam line-of-battle ship "Napoleon" (1848-1852), and devised the method of altering sailing ships of the line into steamers, which was afterwards extensively practised in both France and England. He also showed the practicability of armouring the sides of a ship, and the frigate "Gloire" gave a very clear demonstration of his views. It was the beginning of a great change in the construction of ships. At the beginning of the Franco-German War Dupuy sat on the com mittee of defence, and during the siege of Paris planned a steer able balloon, for carrying out which he was given a credit of 40,00o fr.; but the balloon was not ready till a few days before the capitulation. In 1877 he was elected a senator for life. He died in Paris on Feb. 1, 1885.