Erich Nau is a researcher at the Norwegian Institute for Cultural Heritage (NIKU), specializing in 3D documentation and geophysical survey techniques for cultural heritage. With a focus on methodological development, he is passionate about applying these techniques in large-scale projects. He has led successful initiatives in Norway and European countries, contributing to the advancement of cultural heritage documentation. His expertise lies in bridging research and practical application, ensuring that innovative technologies are effectively used for heritage preservation. His work embodies a commitment to the preservation and understanding of our rich cultural past.