MATURANA, Marcos (mah-too-rah'-nah), Chilian soldier, born in San Fernando in 1802; died in Santiago in 1871. In 1818 he enlisted as a volunteer in the Husares de la muerte, and participated in the battle of Maipo, where he did good service. He was rewarded with a medal and a cadetship in the military academy, which he left in 1820 as sub-lieutenant and marched with the liberating army to Peru, participating in the siege of Callao till its capitulation. He also took part in the battle of Moquegua, but at, the recapture of Callao by the Spaniards was taken prisoner and kept for a year in the casemates. In 1825 he was sent as commander of artillery in the expedition to the Archipelage of Chiloe, taking part in the capture of the fort of Agui, and the whole campaign till the peace of 1827. Under General Joaquin Prieto he was again commander of artillery during the campaign of the north in 1829-'30, which ended with the battle of Lircay. In 1834 he had charge of the artillery of the department of Valparaiso. and in 1838-'9 he took part in the campaign of Peru with the army of restoration, participated in the capture of Lima and the battles of Portada de Guias and Yungay, and in 1847 was promoted colonel. In 1854 he was made brigadier, and in 1862 was secretary of war and the navy. He was afterward appointed councillor of state, and elected senator of the republic, which place he occupied till his death.