The Universidad Nacional Autónoma de México (National Autonomous University of Mexico) or UNAM was founded in 1910 and has been recognized as a leading Spanish-speaking university in the world. It also has the most number of Nobel Prize laureates among its alumni and faculty in all the universities in Latin America with Alfonso García Robles for peace, Octavio Paz for literature and Mario Molina for chemistry. Most of the old buildings that the university are using came from its predecessor, the Royal and Pontifical University of Mexico which was established in 1551 and closed in 1867.