Central Library (UNAM) Central Library hosts some of the administrative offices of the General Libraries Directorate of the UNAM. In 1948 the architect and artist Juan O'Gorman, in collaboration with architects Gustavo Saavedra and Juan Martinez de Velasco designed the building with a functionalist approach, as part of the greater project of the construction of the University City on the grounds of the Pedregal de San Angel in Mexico City. Originally the building was planned to host the National Library and National Newspaper Library of Mexico. The library opened its doors for the first time on April 5, 1956. After 25 years underwent
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