The Royal Swedish Academy of Sciences has decided to award the Nobel Prize in Chemistry for 2005 jointly to Yves Chauvin (Institut Français du Pétrole, Rueil-Malmaison, France), Robert H. Grubbs (California Institute of Technology (Caltech), Pasadena, CA, USA) and Richard R. Schrock (Massachusetts Institute of Technology (MIT), Cambridge, MA, USA) "for the development of the metathesis method in organic synthesis".