The Nobel Prize in Physics 1984 was awarded jointly to Carlo Rubbia and Simon van der Meer "for their decisive contributions to the large project, which led to the discovery of the field particles W and Z, communicators of weak interaction". Photo 874 from left to right : Sir Alec Merrison, Giorgio Brianti, Emilio Picasso, Johnny Andersson, Herwig Schopper, Carlo Rubbia, Simon van der Meer, Don Perkins, Ian Butterworth, Robert Klapisch and Frans Heyn.