… Rolf Dr. Stangl:
The author, Dr Rolf STANGL, is researching solar cells for over 20 years. Before returning to Germany (thereby writing this book), he was heading the Machine Learning & Novel Cell Concepts group at the Solar Energy Research Institute of Singapore (SERIS), affiliated to the National University of Singapore.
Rolf Stangl holds a PhD degree in physics, conducted at the Fraunhofer Institute for Solar Energy Systems in Freiburg, Germany. Prior to joining SERIS, he had a sabbatical in Nanjing, China, and worked for several years as a Research Fellow at the Helmholtz Centre for Materials and Energy in Berlin, Germany.
Relativity theory is one of his hobbies for several years already, for which he now took some time to bring his reasonings to the next level.
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