Oddbjørn Engvold is Professor Emeritus at the Institute of Theoretical Astrophysics at the University of Oslo. He specializes in solar physics, and was Secretary General of the International Astronomical Union from 2003 to 2006, of which he is still an active member. He has authored and edited four books on solar physics and astronomy and has published more than 115 peer-reviewed articles and book chapters. Jean-Claude Vial is a Researcher in the Institut d'Astrophysique Spatiale at the University of Paris-Sud. He is an active member of the International Astronomical Union and is Directeur de Recherche for CNRS. His research interests include solar prominences, the chromosphere, and the solar corona. He has published nearly 300 articles and book chapters. Andrew Skumanich is a Researcher for the High Altitude Observatory at the National Center for Atmospheric Research. His research interests include the solar photosphere and chromosphere and the thermodynamic and magnetic nature of the regions. He has published over 90 articles and book chapters.

• 1. A) Discoveries and Concepts: The Sun's Role in AstrophysicsJack B. Zirker and Oddbjørn Engvold 2. B) Stellar & Solar Chromospheres and Attendant PhenomenaThomas Ayres3. C) The Sun's AtmosphereAlexander I. Shapiro, Hardi Peter, and Sami K. Solanki4. D) Helioseismic Inferences on the Internal  Structure and Dynamics of the Sun Sarbani Basu and William J. Chaplin5. E) Atmospheric Structure, Non-Equilibrium Thermodynamics and Magnetism 5.1 Spectroscopy and Atomic PhysicsPhilip Judge5.2 Models of Solar and Stellar AtmospheresPetr Heinzel5.3 Spectropolarimetry, Magnetic Structures & Their EvolutionKiyoshi Ichimoto6. F) Coronal Magnetism as a Universal PhenomenonBC Low7. G) MHD and Solar Dynamo ActionEric Priest8. H) Solar and Stellar VariabilityMarianne Faurobert9. I) High-Energy Solar PhysicsHugh Hudson and Alexander MacKinnon10. J) Space Weather at Earth and in Our Solar SystemNoé Lugaz11. K) Solar-Stellar ConnectionGibor Basri12. L) Instrumentation12.1 Observations of the Sun from SpaceAlan Title12.2 High-Resolution Ground-Based Observations of the SunOddbjørn Engvold and Jack Zirker13. M) Solar Data and SimulationsNeal Hurlburt14. N) Challenges and Prospects for the FutureJean-Claude Vial and Andrew Skumanich