Britain's Prince Philip waves to members of the media as he leaves the King Edward VII Hospital in London...
Britain's Prince Philip waves to members of the media as he leaves the King Edward VII Hospital in London June 9, 2012. The husband of Britain's Queen Elizabeth left hospital on the eve of his 91st birthday on Saturday, five days after he was taken ill during celebrations to mark the monarch's 60 years on the throne. REUTERS/Paul Hackett (BRITAIN - Tags: ROYALS ENTERTAINMENT SOCIETY)