Edward Wolf is Professor of Physics at the Polytechnic University in Brooklyn, New York. His research interests are in electron tunneling phenomena, superconductivity, and uses of scanning tunneling microscopes. He is the author of over one hundred research articles primarily in those areas. Dr. Wolf has served as Department Head in Physics at Polytechnic University and also as Program Director in Condensed Matter Physics in the Division of Materials Research at the National Science Foundation in Arlington, Virginia. He has held previous positions as Professor of Physics at Iowa State University, Senior Physicist at the Ames Laboratory of the U.S. Department of Energy in Ames, Iowa, and Senior Physicist and Research Associate at Kodak Research Labs in Rochester, New York.