In pictures: The Formula One career of Michael Schumacher
Michael Schumacher made his debut for the Jordan team at the Belgian Grand Prix in 1991. Pascal Rondeau /Allsport
After one race Michael Schumacher was signed up by the Benetton team for the rest of the season. Toshifumi Kitamura / AFP
Michael Schumacher battles with Williams Renault driver Damon Hill, at the Japanese Grand Prix, in 1994 during their fight for the world title. Pascal Rondeau/Allsport
Damon Hill, left, tries to dive down the inside of Michael Schumacher at the Australian Grand Prix 1994, the last round of the season. Crispin Thruston / Action Images
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The two collided resulting in both being eliminated from the race. Mark Brock/ AP Photo
The result of the acident was that Michael Schumacher won his first world title. Mike Hewitt/Allsport
It was more of the same in 1995, as Michael Schumacher won nine races to retain his world title ahead of Damon Hill. Dusan Vranic / AP Photo
Michael Schumacher joined Ferrari from 1996, and he missed out on the world title in 1997 after colliding with Jacques Villeneuve's William-Renault, giving the Canadian the championship.
A brake failure at the British Grand Prix in 1999 left Michael Schumacher with a broken leg and ended his title hopes for that season. Max Nash / AP Photo
Michael Schumacher celebrates becoming in 2000 the first Ferrari drivers world champion since 1979, as he picked up his third crown. Patrick Hertzog / AFP
Michael Schumacher dominated the 2001 season and won it in Hungary, with four races to spare. Attila Kisbenedek / EPA
Michael Schumacher enjoyed a strong union at Ferrari with team principal Jean Todt, centre, and teammate Rubens Barrichello, left. Allsport
Michael Schumacher, Rubens Barrichello and the Ferrari team came under heavy criticism in 2002 after the team ordered the Brazilian to allow the German to pass on the last lap of the Austrian Grand Prix to take the win. Tom Shaw / Getty Images
Michael Schumacher, centre, was in dominant form in 2004 as he won a record 13 races and collected the last of his seven world titles. Oliver Weiken / EPA
The Chinese Grand Prix in 2006 was the scene of the last of Michael Schumacher's 91 race wins. Eugene Hoshiko / AP Photo
Michael Schumacher retired at the end of the 2006 season, but returned at the start of 2010 to partner Nico Rosberg, left, at Mercedes GP and to work again with team principal Ross Brawn, centre. Vladimir Rys / Getty Images
Michael Schumacher, right, came in for heavy criticism from the F1 community after squeezing Rubens Barrichello's Williams dangerously close to the wall in Hungary.
A tough 2010 for Michael Schumacher was summed up at the Abu Dhabi Grand Prix when he struck on the first lap by Vitantonio Liuzzi of Force India.
Michael Schumacher's pace improved in 2011 and 2012, but errors such as hitting the back of Jean-Eric Vergne in Singapore continue to dog him. Robert Cianflone / Getty Images
Michael Schumacher has decided to retire from Formula One at the end of the 2012 season, with his last race being in Brazil next month. Robert Cianflone / Getty Images
Michael Schumacher, who began his Formula One career in 1991, has announced he will retire at the end of the season.