be appointed to these senior levels of the judiciary. Accordingly, on 21 April 2009, he was created Baron Collins of Mapesbury, of Hampstead Town in the London Borough of Camden, and was introduced in the House of Lords on 28 April 2009. On 1 October 2009, he and nine other Lords of Appeal became Justices of the Supreme Court upon that body's inauguration. He has been a fellow of Wolfson College, Cambridge, since 1975, and became a fellow of the British Academy in 1994. He is a member of the Institut de droit international. He has been the general editor of Dicey & Morris, the standard reference work on conflict of laws, since 1987, and it was retitled Dicey, Morris and Collins in its 14th edition, published in 2006. He is also the author of many other books and articles on private international law. He became a bencher of the Inner Temple in 2001. Collins reached the compulsory retirement age of 70 on 7 May 2011 but stayed on as an acting justice until July. He has continued membership of the House of Lords, and sits as a crossbencher. Significant judgments HJ and HT v Home Secretary [2010] UKSC 31: homosexuality in asylum claims R v Bentley (Derek) [1999] posthumous overturning of unsafe murder conviction Family He has one daughter, Hannah, and one son, Aaron. References External links from Downing College 1941 births Living people Alumni of Downing College, Cambridge British legal scholars Chancery Division judges Columbia Law School alumni Conflict of laws scholars Crossbench life peers 21st-century English judges 20th-century English judges Fellows of Downing College, Cambridge Fellows of the British Academy Fellows of Wolfson College, Cambridge Hong Kong judges Judges of the Supreme Court of the United Kingdom Justices of the Court of Final Appeal (Hong Kong) Knights Bachelor Law lords Lords Justices of Appeal Members of the Inner Temple Members of the Institut de Droit International Members of the Judicial Committee of the Privy Council Members of the Privy Council of the United Kingdom People educated at the City of London School