Helmut Tributsch is physicist and a professor for physical chemistry who retired from the Free University, Berlin and the Helmholtz-Centre for Materials and Energy. He specialized in the conversion of sustainable energy and in bio-mimetic energy systems, a subject which he still teaches at the Carinthia University of Applied Sciences in Austria. He has published more than 450 scientific publications and 10 books and now lives on his mountain farm in Friuli, Italy.