This year Nobel Prize for physics is awarded to two physicist François Englert of Université Libre de Bruxelles, Brussels, Belgium and to Peter W. Higgs University of Edinburgh, UK in a ceremony held in the Swedish capital Stockholm as told in a press release at 8th of October, 2013 by The Royal Swedish Academy of Sciences.
The above mention Scientists has received this award for the theoretical prediction of what they called Higgs particles which are the reason of the mass of every material participle.
i.e because of the interaction of these basic particle all the objects has there masses.
But the work was not proved till 2012, when a team of scientists at CERN finally discovered the much awaited particles named after the Peter Higgs. They are often called the God particles because the give birth to mass.