Nicholas Allan Roy Wilson, Lord Wilson of Culworth, PC known as Lord Wilson (born 9 May 1945), is a retired British judge. On 26 May 2011, he became a Justice of the Supreme Court of the United Kingdom, having previously served as a Lord Justice of Appeal since 2005. Lord Wilson has specialised in family law throughout his career. In December 2016, as one of the 11 Justices of the Supreme Court, Lord Wilson heard the Government's appeal of R (Miller) v Secretary of State for Exiting the European Union (the Article 50 case) on the use of prerogative powers to start the process of leaving the European Union following the referendum on 23 June 2016.