Elizabeth Santos received her PhD in physical chemistry from theUniversity of Cordoba, Argentina. Her research interests inelectrocatalysis include interfacial electrochemistry, singlecrystal surfaces, second harmonic generation, and electron transferreactions. Wolfgang Schmickler received his PhD in natural sciences fromthe Department of Physical Chemistry, University of Bonn, and hasbeen a Professor in the Department of Theoretical Chemistry at theUniversity of Ulm since 1992. Dr. Schmickler's research interestsinclude the theory of catalysis, quantum statistics, Monte Carloand molecular dynamics simulations, and the theory ofelectrochemical interfaces.