School of Chemistry, UNAM to Mexico City). In February 1917, the School was incorporated to the National University of Mexico (currently UNAM). In 1919, the School incorporated the degree of pharmacy to its curricula, which was until then provided by the National School of Medicine. Soon, the School established the Laboratory of Analysis and the Laboratory of Preparative Organic and Inorganic Chemistry. In a similar manner, the School installed an Ether production plant and created new buildings for fermentative, sugar and starch processing, tannery chemicals and pharmaceutical industries. The first course on Organic Chemistry Applied to Pharmacy was taught initially by Adolfo P. Castañares,
Enrique Leff etc. 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)