The following people spent time at the University of London as either teaching staff or students. In 2015 there were a total of around 2 million University of London alumni across the world. Until year 2008, all colleges within the federal collegiate system, solely awarded University of London degree. From 2003 onwards some colleges received their own degree-awarding powers. However, these were held in abeyance until 2008, when a number of colleges began to award their own degrees. Nobel Laureates There are a total of 84 Nobel Laureates who were either students or staff members at the University of London. Their respective college or colleges is shown in the parenthesis. The following table shows the number of Nobel Laureates from each college: There are also many non-formal graduates of the University of London who have been awarded honorary degrees and doctorates to Nobel Laureates. Notable names include Amartya Sen (Hon. DSc), Shirin Ebadi (Hon. LLD), George Akerlof (Hon. DSc), Robert Mundell (Hon. DSc), Muhammad Yunus (Hon. DSc) Politicians and Heads of State Monarchs and Royalty Tuanku Jaafar – King of Malaysia, 1994–1999 (LSE) Letsie III of Lesotho – King of Lesotho Margrethe II of Denmark – Queen of Denmark, 1972–present (LSE) Sultan Salahuddin – King of Malaysia 1999–2001 (SOAS) Princess Beatrice of York - Member of British royal family (Goldsmiths) Princess Laurentien - Wife of Prince Constantijn (QMUL) Napoléon, Prince Imperial – son of Emperor Napoleon III (KCL) Haakon Magnus – Crown Prince of Norway (LSE) Mette-Marit – Crown Princess of Norway (SOAS) Abdulaziz bin Turki al Faisal – Grandson of King Faisal of Saudi Arabia (SOAS) Prince Prisdang – member of the Thai royal family (KCL) Camilla, Queen consort of the United Kingdom and other Commonwealth realms. (ULIP) Presidents and prime ministers Hossein Ala' – Prime Minister of Iran A.N.R. Robinson – Prime Minister of Trinidad and Tobago, 1986–1981, and President of Trinidad and Tobago, 1997–2003 Natalia Gherman – Acting Prime Minister of Moldova, 2015 (KCL) Harmodio Arias – President of Panama, 1932–1936 (LSE) Óscar Arias – President of Costa Rica, 1986–1990, 2006–Present (LSE) Marouf al-Bakhit – Prime Minister of Jordan, 2005–2007 (KCL) Errol Walton Barrow – Prime Minister of Barbados, 1962–1966, 1966–1976, 1986–1987 (LSE) Sükhbaataryn Batbold – Prime Minister of Mongolia, 2009–present (LBS) Abd ar-Rahman al-Bazzaz – Prime Minister of Iraq, 1965–1966 (KCL) Marek Belka – Prime Minister of Poland, 2004–2005 (LSE) Godfrey Binaisa – President of Uganda,