Career
He reached in his lifetime very important goals in the field of Diplomacy and pedagogy. He founded the prestigious Colegio Roscio and translated into Spanish works like Reasoned, historical and dogmatic Catechism of Abbe Thériou and Introduction to the method to study the Latin language of Jean-Louis Burnouf. However, was in 1853, with the publication of his Manual of Urbanity and Good Manners, that would enter history with the nickname of "Manual of Carreño", a sesquicentennial book, who teaches and trains the individual in the management of decency, essential to the education of tens of generations and reissued numerous times.
He served as Foreign Minister and Minister of Finance of Venezuela.
After his resignation from the latter post, because of the Federal War, he left the country, living in New York and then in Paris, where he died. He was the father of Teresa Carreño, acclaimed pianist and composer, who himself trained in musical arts in addition to propel your career abroad.
First Years
Was son of musician Cayetano Carreño Rodríguez (choirmaster of the Cathedral of Caracas) and María de Jesús Muñoz. From young Manuel Antonio showed great talent for pedagogy, leading him to found the September 1, 1841, the Roscio College, which eventually came to enjoy great popularity in Caracas.
Maturity
In 1853 serialized the Manual of Urbanity and Good Manners (), for which he received great recognition and fame.
Foreign this he wrote 500 exercises for piano, which covered all teaching and learning technical aspects of the instrument. On March 14, 1855, Congress agreed to special recommendation for the use of the Manual of Urbanity and Good Customs. As part of his work as an educator, translated with the collaboration of Doctor Manuel Maria Urbanski, reasoned, historical and dogmatic Catechism of Abbe Thériou, and Introduction to the method to study the Latin language of Burnouf.
He served as Minister of Foreign Relations (May–August 1861) and Minister of Finance (1861-1862).
Emigration to France
In this regard, July 23, 1862 depart together New York, where a few years living until departing for Paris.