Richard Klemm has recently retired after a distinguished career at FGAN FHR (now Fraunhofer FHR), a research institute working in the areas defence and security, and decades of service to the radar community. In his spare time Richard Klemm is a passionate classical pianist.Hugh Griffiths holds the THALES/Royal Academy Chair of RF Sensors in the Department of Electronic and Electrical Engineering at University College London, England.Wolfgang Koch is head of the Sensor Data and Information Fusion (SDF) Department at Fraunhofer FKIE, an institute of the Fraunhofer Society, the largest institution for applied research in Europe.