Bernard Schutz is Director of the Max Planck Institute for Gravitational Physics, a Professor at Cardiff University, UK, and an Honorary Professor at the University of Potsdam and the University of Hannover, Germany. He is also a Principal Investigator of the GEO600 detector project and a member of the Executive Committee of the LIGO Scientific Collaboration. Professor Schutz has been awarded the Amaldi Gold Medal of the Italian Society for Gravitation.