Katrin Kneipp received her Diplom and Ph.D. degree in Physics and Dr.sc. in Physical Chemistry from Friedrich Schiller University in Jena, Germany. Her current research interests at Harvard Medical School include single molecule and nanoscale spectroscopies and their broad interdisciplinary applications. Ricardo F. Aroca, obtained his undergraduate degree in Chemistry from the University of Chile, PhD in Chemistry from Moscow State University. Presently he is University Professor at the University of Windsor.and fellow of the Chemical Institute of Canada. His research is in surface-enhan...