Gunnar Tibell, Professor emeritus in high energy physics, Uppsala University. Ph D from Uppsala University in 1963 on a thesis called Investigations of Nuclear Structure and Interaction Symmetries with High Energy Protons. Various periods at CERN, altogether about 7 years in the time 1958 - 1984, during 1975 - 79 as Senior Physicist. Visiting Professor at University of Maryland and at Osaka University. About 150 scientific publications during the years 1955 - 2001. Active in Swedish Physical Society (President 1989-95) and European Physical Society Division on Education (Chairman of Pre-university Section), Consultant at Royal Dramatic Theatre in Stockholm for the play Copenhagen 1999 - 2000. Active in Forum on Research Ethics at Uppsala University. Music critic in Upsala Nya Tidning. Member of International Commission on Physics Education (IUPAP), President of International Young Physicists' Tournament, an annual team competition for school pupils, Editor of Linné-on-line, an internet project for schools (www.linnaeus.uu.se).