The Nobel Prize in Chemistry 2001
William S. Knowles, Ryoji Noyori, K. Barry Sharpless
William S. Knowles
K. Barry Sharpless
The Nobel Prize in Chemistry 2001 was divided, one half jointly to William S. Knowles and Ryoji Noyori "for their work on chirally catalysed hydrogenation reactions" and the other half to K. Barry Sharpless "for his work on chirally catalysed oxidation reactions".
MLA style: "The Nobel Prize in Chemistry 2001". Nobelprize.org. 20 May 2013 http://www.nobelprize.org/nobel_prizes/chemistry/laureates/2001/