Barack Obama— 44th President of the USA Angela

Merkel— 8th Chancellor of Germany

Vladimir Putin— President of Russia

Bill Gates— chairman of Microsoft

Pope Benedict XVI— 265th Pope of the Roman Catholic Church

 Ben Bernanke— 14th Chairman of the Federal Reserve

Abdullah bin Abdul Aziz— 6th King of Saudi Arabia

Mario Draghi— President of the European Central Bank

Xi Jinping— President of China

David Cameron— Prime Minister of the UK