This booklet is free of charge via simple download. A flip through version will be available shortly. The content of the booklet includes: Foreword, Introduction, 1970 Solar World Congress, Overview of the Summaries, ISES, Photovoltaics (PV), Solar Thermal, Concentrated Solar Power (CSP), Solar Architecture and Buildings, Solar Energy for the Developing World, Pre 1950; Includes the technologies plus pioneers (later ones have partners, institutions): 1950’s, 1960’s, 1970’s, 1980’s, 1990’s, 2000’s, 2010’s, The Future.