So who is the Prime Minister? Gordon Brown was born in Glasgow on 20 February 1951. He worked as a lecturer and TV researcher before becoming an MP in 1983.
In 1994, it's thought that Gordon made a deal with Tony Blair that he wouldn't attempt to become Labour Party leader, if Tony allowed him to look after money matters.
When Labour swept to power in 1997, with Tony Blair as Labour leader and PM, Gordon became Chancellor Of The Exchequer - looking after the nation's money.
Gordon married Sarah Macaulay in August 2000. They had been dating for four years.
Gordon and Sarah's first child - Jennifer Jane died shortly after being born prematurely in 2001. They have since had two sons - John, born 2003, and Fraser, born 2006.
Outside of politics, Gordon's interests are said to include sport and listening to music. He was quoted as being a fan of the Arctic Monkeys. Here's the band's Alex Turner.
In his school days, Gordon was a talented rugby and tennis player. Here he is with England star Steven Gerrard, showing off some silky skills!
Back to his political career, and in June 2007 Gordon Brown moved into 10 Downing Street after taking over from Tony Blair as Leader of the Labour Party and Prime Minister.
But he only got the job because members of his party chose him, the rest of the country didn't get to have a say. Lots of people wanted him to call a general election, but he didn't.
When Britain got caught up in the world's money problems, Gordon Brown had to take action to try to sort it out and, for a while, most people thought he was doing a good job.
But in 2009 loads of stuff has gone wrong for him, including the expenses row about how politicians were spending our money, which generated loads of media coverage.
Now lots of his supporters and closest colleagues are distancing themselves from him and some have even said they don't think he should be Prime Minister any more.