Karl F. Warnick is an assistant professor at Brigham Young University, where he received his B.S. and Ph.D. in electrical engineering. He was a recipient of the National Science Foundation Graduate Research Fellowship. Previously, Dr. Warnick was a postdoctoral research associate and visiting professor in the Center for Computational Electromagnetics at the University of Illinois at Urbana-Champaign. Peter Russer is a professor and Head of the Institute for High Frequency Engineering at Technische Universitat Munchen in Germany. He received his Dipl.-Ing. and Dr. techn. degrees in electrical engineering from the Vienna University of Technology. Professor Russer is also the author of Electromagnetics, Microwave Circuit, and Antenna Design for Communications Engineering, Second Editon (Artech House, 2006)