Andrzej Wieckowski is Professor of Chemistry at the University of Illinois at Urbana-Champaign. Professor Wieckowski pioneered the development of the method now known as Electrochemical NMR (EC-NMR) that combines metal/surface NMR and electrochemistry for studies of interfaces. Jens K. Nørskov is Professor of Chemical Engineering and Photon Science, Stanford University, and Director of the Center for Interface Science and Catalysis at the SLAC National Accelerator Laboratory. His research interests include the theoretical description of surfaces, catalysis, electrochemistry, materials, nanostructures, and biomolecules.