School of Philosophy and Letters, UNAM School of Philosophy and Letters, UNAM The Facultad de Filosofía y Letras ("School of Philosophy and Literature") or FFyL of the National Autonomous University of Mexico (UNAM) administers eleven divisions of the humanities offering undergraduate and graduate degrees. The Department is one of the largest, and most renowned, literature faculties in the Spanish-speaking world; the Alma Mater of Nobel Laureate Octavio Paz and a number of other important figures in Latin American literature. The direct ancestor of Department was the High Studies National School, founded in 1910 by Justo Sierra as an attempt to establish graduate level degrees and research.
Enrique Leff Enrique Leff Enrique Leff (born Mexico, 1946) is a Mexican economist, who defines himself today as an environmental sociologist and environmentalist. He has written 25 books and 180 articles on political ecology, environmental sociology, environmental economics, environmental epistemology and environmental education. He is regarded as one of the key environmental thinkers in Latin America. After a degree in chemical engineering from UNAM (Universidad Nacional Autónoma de México) in 1968. Leff graduated with a Doctorat de Troisième Cycle in development economics from the École Pratique des Hautes Études, Paris, in 1975. Leff lectured at UNAM (Universidad Nacional Autónoma de México) full-time