From http://www.nobelprize.org/nobel_prizes/physics/laureates/2013/press.html
Francois Englert and Peter Higgs were jointly awarded the Nobel Prize in Physics 2013 for the theory of how particles acquire mass. In 1964 they proposed the theory. In 2012 their ideas were confirmed by the discovery of the Higgs particle (also called the God particle) at the CERN laboratory outside Geneva in Switzerland.
Here is a fun rap explaining CERN, the place that allowed experiment to support theory:
This is really a big deal in science!