OBITUARIES
California Lives: Every Thursday, read an obituary of a notable Californian from the archives
LOCAL OBITUARIES

William S. Knowles

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 Diether Endlicher / Associated Press
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