JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY JAMES KING-HOLMES / SCIENCE PHOTO LIBRARY
Professor James Clark, chemist. Professor Clark is head of Industrial and Applied Chemistry at the University of York, UK. His group, known as the Green Chemistry Group, researches novel methods of industrial processes using renewable resources and processes that involve less environmental waste or damage. The group has succeeded in extracting industrially valuable wax from waste wheat straw and other plant material. Photographed in 2006.
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