Brianchon

Brianchon, Charles Julien (1785-1865), French mathematician. He was born at Sevres and entered the Ecole Polytechnique in 1808. He took part in the Peninsular campaign, and in 1815 was appointed assistant-director in the government arms factory; and in 1818 was appointed professor of applied sciences at the school of artillery of the royal guard. He wrote many treatises, and gave a good deal of attention to the question of gunpowder, and the nature and conditions of explosions.