Professor Peter Higgs wins Nobel prize for physics
8 October 2013 Last updated at 14:52 BST
Professor Peter Higgs of Edinburgh University has won the Nobel prize for physics.
The 84-year-old theoretician has been recognised for his explanation of how fundamental particles acquired mass at the birth of the universe.
Prof Higgs shares the prize with Belgian physicist Francois Englert.
BBC Scotland's science correspondent Kenneth Macdonald reports.