School of Medicine, UNAM one of the most recognized schools in the university and in Mexico. The latest three rectors of the university, including the current one, are former deans from this school. The origin of the School of Medicine of the National Autonomous University of Mexico (Universidad Nacional Autónoma de México, known by the acronym UNAM) dates back to the 16th century, with the foundation of the Royal and Pontifical Mexico University (). In fact, the first decree that authorizes their creation was promulgated by Philip II in 1547 and endorsed in 1551. Nevertheless, the compliance of procedures and the liberation of the
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