Teófilo Herrera Suárez Teófilo Herrera Suárez Teófilo Herrera Suárez (born 24 February 1924) is a Mexican mycologist known for his contributions to the Mexican mycological flora and an Emeritus Professor at the National Autonomous University of Mexico (UNAM) where he worked for over 50 years. Herrera is originally from Mexico City. In 1940 he enrolled in the UNAM National High School. In 1942 he decided to study Biology instead of Medicine thanks to the positive influence of his teacher Francisco Villagran. He began as an undergraduate student in the Faculty of Sciences at UNAM and got his degree in 1945. Later on, he
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)