作者: Henry Kalb

Werner Vogel studied physics, chemistry and mathematics at the University of Karlsruhe, Germany. He was involved there at the Institute of Applied Physics in research on solar hydrogen and fuel-cell power plants from 1977 to 1979. Since 1980 he has been a freelance researcher in the ¿ eld of solar energy, especially solar thermal power plants. Henry Kalb studied physics and was involved in research on solar-hydrogen technology at the University of Karlsruhe from 1976 to 1980. Since 1980, he has been an independent researcher (System-Innovation Karlsruhe), specializing in the areas of solar energy, particularly solar thermal power, and environmental technology.