Reinhard Knöchel received the Dipl.-Ing. degree in electrical engineering and the Dr.-Ing. degree from the Technical University, Braunschweig, Germany, in 1975 and 1980, respectively. From 1980 to 1986, he was a Principal Scientist with the Philips Research Laboratory, Hamburg, Germany. In 1986, he joined the Hamburg University of Technology, where he was a Full Professor of Microwave Electronics until 1993. Between 1993 and 2013, he held the Chair of Microwave Engineering, Kiel University, Kiel, Germany. His current research interests include magnetic field sensors, active and passive microwave components, ultra wideband technology, microwave measurement techniques, industrial microwave sensors and radar.