NADER ENGHETA, PhD, is the H. Nedwill Ramsey Professor in the Department of Electricaland Systems Engineering, University of Pennsylvania. A Guggenheim Fellow, a recipient of the IEEE Third Millennium Medal and the NSF Presidential Young Investigator Award, a Fellow of the IEEE, and a Fellow of the Optical Society of America, he is an Associate Editorof IEEE Antennas and Wireless Propagation Letters and was an IEEE Antennas and Propagation Society Distinguished Lecturer from 1997–1999.

RICHARD W. ZIOLKOWSKI, PhD, is a professor in the Department of Electrical and Computer Engineering with a joint appointment in the College of Optical Sciences, University of Arizona. He was elected by the faculty to be the first Kenneth von Behren Chaired Professor and has been a recipient of the Tau Beta Pi Professor of the Year Award and the IEEE and Eta Kappa Nu Outstanding Teaching Award. Professor Ziolkowski is a Fellow of the IEEE and a Fellow of the Optical Society of America. He was the 2005 president of the IEEE Antennas and Propagation Society.