Nobel Prize 2005: Winners

Recipients

1. Chemistry

   Yves Chauvin, Robert H. Grubbs, Richard R. Schrock

   Chemistry

   for the development of the metathesis method in organic synthesis

2. Medicine

   Barry J. Marshall, J. Robin Warren

   Biology

   for their discovery of the bacterium Helicobacter pylori and its role in gastritis and peptic ulcer disease

3. Physics

   Roy J. Glauber

   Physics

   for his contribution to the quantum theory of optical coherence

4. Physics

   John L. Hall, Theodor W. Hänsch

   Physics

   for their contributions to the development of laser-based precision spectroscopy, including the optical frequency comb technique