There are numerous former formula 1 champions. If you consider only those champions who have retired from active competition currently, then the prominent names would be:
a. Micheal Schumacher
b. Alain Prost
c. Ayrton Senna
d. Nigel Mansell
e. Damon Hill
f. Mika Hakkinen
g. Etc
Some of the formula 1 champions who are still racing are:
a. Fernando Alonso
b. Kimi Raikkonen
c. Lewis Hamilton
d. Jenson Button and
e. Sebastian Vettel
Graham Hill (1962 and 1968) and Damon Hill (1996) are the only father and son to win a Formula One World Championship.
*As of March 2014
2014 Formula One World Drivers' Champion, Lewis Carl Davidson Hamilton
Michael Schumacher is seven-time Formula One world drivers' champion.
Sebastian Vettel is the youngest driver to win the formula 1 drivers champion. He was 23 years and 134 days old.
The 2008 season F1 drivers world champion was Lewis Hamilton of McLaren Mercedes Team. In 2009 Jenson Button if Brawn GP won the title and is the current world champion.
Formula One. He is a 7 time drivers world champion
The first Formula One World Championship was won by Italian Giuseppe Farina in his Alfa Romeo in 1950
The British driver Lewis Hamilton
Lewis Hamilton
Jenson Button entered the 2010 formula one season as the Reigning and Defending drivers world champion because he had won the 2009 drivers title. Sebastian Vettel won the drivers world title in the 2010 season from Fernando Alonso by just 4 points. Vettel has been the defending world champion ever since because he won the titles 3 consecutive times in 2010, 2011 and 2012.
Kimi Raikkonen was the 2007 Formula One world champion.
Norman Graham Hill (15 February 1929 - 29 November 1975) was a British racing driver and two-time Formula One World Champion. He was born in Hampstead, London. He was a citizen of the United Kingdom by nationality. He drove for a team called BRM - British Racing Motors. 1962 was the only year they won the world championship but that year they won both the drivers and constructors championship.
Sebastian vettel