Tommy OhlssonTommy Ohlsson is Professor of Theoretical Physics at KTH Royal Institute of Technology, Stockholm, Sweden. He has also been a Visiting Professor at University of Iceland, Reykjavik, Iceland, during several years. His main research field is theoretica particle physics, especially neutrino physics and physics beyond the Standard Model. He has written the textbook Relativistic Quantum Physics: From Advanced Quantum Mechanics to Introductory Quantum Field Theory (Cambridge, 2011). He has over twenty-five years of university level teaching experience in relativity theory and physics in general. Read More Read Less