Complex sentence: In 2006, Klaus won the J. Lawrence Smith Medal, which is awarded by the National Academy of Sciences, for his pioneering quantitative studies of minerals in meteorites and important contributions to understanding the nature, origin, and evolution of their parent bodies.
Split into simpler sentences: In 2006, Klaus won the J. Lawrence Smith Medal, which is awarded by the National Academy of Sciences. These awards are for Klaus' pioneering quantitative studies of minerals in meteorites and important contributions to understanding the nature, origin, and evolution of their parent bodies.