He was born in Celle, Germany, on May 13, 1950. He received the Dipl.-Phys. degree in physics (1980) and the Dr.-Ing. degree in electrical engineering (1984), and the Habilitation degree (1988) from the Technical University of Braunschweig and became assistant professor (1985-1990), a professor at the Universities of Wuppertal (1990-1996) and Magdeburg (1996-2000). Since 2000 he is professor at the Leibniz University of Hanover. His research interests include nonlinear deterministic and noisy circuits and dynamical systems, computer-aided circuit analysis and design, nanoelectronics, quantum computing, analysis and numerics of electromagnetic fields, and history of electrical engineering and physics. He published 8 books, numerous book chapters and more than 400 papers. He is a member of IEEE, VDE/ITG, DPG and became IEEE SM (1998), IEEE Fellow (1999) and IEEE Life Fellow (2018). He was associate editor of the IEEE Trans. CAS (1995-1997) and is chair of the IEEE CAS, German chapter. Since 2001 he is member of the NRW Academy of Sciences and since 2008 member of acatech (National Academy of Science and Engineering).

ADDITIONAL INFORMATION
He received numerous best paper awards and the VDE ITG Medal of Honor 2018. Member of different IEEE committees (Gustav Robert Kirchhoff Award, Fellow Award). He has been retired since 2018 and has since then focused primarily on the history of electrical engineering and curated exhibitions on this topic.