Louis Adolphe le Doulcet, comte de Pontécoulant

Louis Adolphe le Doulcet, comte de Pontécoulant (1794 – 20 February 1882) was a French soldier and musicologist. He was the son of Louis Gustave le Doulcet, comte de Pontécoulant and the older brother of Philippe Gustave le Doulcet.
A soldier in the armies of Napoleon I, he fought in the invasion of Russia and the campaign of 1814, and then emigrated to Brazil, where he took part in the abortive Pernambucan Revolution in 1817.
He also organized a French volunteer contingent in the Belgian Revolution of 1830, and was wounded at Louvain. The rest of his life was spent in Paris in the study of ancient music and acoustics. Among his works was one on the Musée instrumental du Conservatoire (1864).