Notable deaths of 2012
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William S. Knowles( Diether Endlicher / Associated Press / June 30, 2012 )
The Nobel Prize-winning chemist, left, helped solve a longstanding problem in the manufacture of medicines. He led development of a chemical catalyst to create safe compounds for producing L-Dopa, a drug for treating Parkinson's disease. He was 95. Full obituary
Notable deaths of 2012 |
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