Talk by Dr. Ricard Guerrero. Professor Emeritus of the Department of Microbiology at the University of Barcelona (UB), visiting professor for the University of Massachusetts in Amherst, one of the founders of the UAB, member of the Institut d’Estudis Catalans and President of the Spanish Society for Microbiology.

Dr. Guerrero guided us to an exciting journey from microcosms to macrocosms.