Professor Pagliaro is a research chemist and science methodology professor at Italy's National Research Council based in Palermo where he leads a research group collaborating with researchers of 10 countries and the new Institute for Scientific Methodology. His research interests lie at the interface of materials science, chemistry and biology. Reported in 60 scientific papers, book chapters and several patents, his achievements include chemical technologies now on the market. Professor Rossi is a chemistry professor at the University of Milan. His scientific activity - documented by some 160 scientific papers and several patents - currently deals with catalysis for fine chemicals synthesis and recently resulted in the discovery of the surprising catalytic activity of gold nanoparticles in liquid phase oxidation of organic compounds.