The Higgs Boson - A one page explanation!

In 1993, the UK Science Minister, William Waldegrave, challenged physicists to produce an answer that would fit on one page to the question 'What is the Higgs boson, and why do we want to find it?'

Here are the winning entries!

• Mary and Ian Butterworth, Imperial College London, UK
  Doris and Vigdor Teplitz, Southern Methodist University, Dallas, Texas, USA
  
  
• Roger Cashmore, Department of Physics, University of Oxford, UK
  
  
• David Miller, Department of Physics and Astronomy, University College, London, UK
  
  
• Tom Kibble, Department of Physics, Imperial College, London, UK
  
  
• Simon Hands, Theory Division, CERN, Geneva, Switzerland