Today, March 21st, on the Google home page worldwide (except the US) is a special Google logo, aka Doodle, for one of the most successful Formula 1 drivers, Ayrton Senna.
Ayrton Senna died in an accident while in a race during the 1994 San Marino Grand Prix. He was a Brazilian race car driver that dominated the sport.
Aryton Senna, his full name was Ayrton Senna da Silva, was born on March 21, 1960 in São Paulo, Brazil. He died at the young age of 34 on May 1, 1994.
In his short ten year career, he raced 162 times and 41 wins with three championships. His first race was the 1984 Brazilian Grand Prix and his last race was 1994 San Marino Grand Prix.
You can learn more about his life on Wikipedia.
Here is a photo of Aryton Senna:
Forum discussion at Google+.