![Ayrton Senna and Alain Prost were long-time rivals before they became teammates at McLaren.](https://media.cnn.com/api/v1/images/stellar/prod/120928032522-prost1.jpg?q=w_3000,h_2000,x_0,y_0,c_fill/h_447)
Winning pair —
Ayrton Senna and Alain Prost were long-time rivals before they became teammates at McLaren.
![Prost and Senna (No.1) clash at the Japanese Grand Prix at Suzuka in 1989. Prost clinched the title after the Brazilian was controversially disqualified after winning the race.](https://media.cnn.com/api/v1/images/stellar/prod/120928034118-prost4.jpg?q=w_5031,h_3334,x_0,y_0,c_fill/h_447)
Suzuka showdown —
Prost and Senna (No.1) clash at the Japanese Grand Prix at Suzuka in 1989. Prost clinched the title after the Brazilian was controversially disqualified after winning the race.
![As they both battled for world titles at McLaren, Prost and Senna's relationship came under great strain.](https://media.cnn.com/api/v1/images/stellar/prod/120928042030-prost5.jpg?q=w_3000,h_2000,x_0,y_0,c_fill/h_447)
Uneasy rivalry —
As they both battled for world titles at McLaren, Prost and Senna's relationship came under great strain.
![Stand off: Senna and Prost walk away after the early crash at Suzuka in the final race of the 1990 season which left the Brazilian as world champion.](https://media.cnn.com/api/v1/images/stellar/prod/120928053020-prost11.jpg?q=w_5025,h_3338,x_0,y_0,c_fill/h_447)
Rivalry boils over —
Stand off: Senna and Prost walk away after the early crash at Suzuka in the final race of the 1990 season which left the Brazilian as world champion.
![Prost's time with McLaren proved the most fruitful of his career as he captured three world titles.](https://media.cnn.com/api/v1/images/stellar/prod/120928032905-prost2.jpg?q=w_3072,h_2040,x_0,y_0,c_fill/h_447)
McLaren dominance —
Prost's time with McLaren proved the most fruitful of his career as he captured three world titles.
![Prost earned the nickname 'The Professor' for his thoughtful and studied approach to Formula One racing.](https://media.cnn.com/api/v1/images/stellar/prod/120928052412-prost8.jpg?q=w_2064,h_3072,x_0,y_0,c_fill/h_447)
The Professor —
Prost earned the nickname 'The Professor' for his thoughtful and studied approach to Formula One racing.
![Prost competing in wet conditions at the Monaco Grand Prix which he won four times during his glittering career.](https://media.cnn.com/api/v1/images/stellar/prod/120928052029-prost7.jpg?q=w_4985,h_3363,x_0,y_0,c_fill/h_447)
Monaco master —
Prost competing in wet conditions at the Monaco Grand Prix which he won four times during his glittering career.
![Prost and Senna formed a united team in 1988 as the latter won the championship for McLaren.](https://media.cnn.com/api/v1/images/stellar/prod/120928051836-prost6.jpg?q=w_2048,h_1320,x_0,y_0,c_fill/h_447)
Good times —
Prost and Senna formed a united team in 1988 as the latter won the championship for McLaren.
![The medical team at Imola tend to the stricken Senna after his fateful crash in the San Marino Grand Prix in 1994.](https://media.cnn.com/api/v1/images/stellar/prod/120928052556-prost9.jpg?q=w_2899,h_1903,x_0,y_0,c_fill/h_447)
Imola tragedy —
The medical team at Imola tend to the stricken Senna after his fateful crash in the San Marino Grand Prix in 1994.
![Prost joined a pantheon of Formula One greats at Senna's funeral in Sao Paulo in 1994.](https://media.cnn.com/api/v1/images/stellar/prod/120928052745-prost10.jpg?q=w_977,h_623,x_0,y_0,c_fill/h_447)
Senna mourned —
Prost joined a pantheon of Formula One greats at Senna's funeral in Sao Paulo in 1994.
![In the latter part of career Prost had to battle with the youthful exuberance of future seven-time champion Michael Schumacher.](https://media.cnn.com/api/v1/images/stellar/prod/120928033756-prost3.jpg?q=w_2064,h_3072,x_0,y_0,c_fill/h_447)
The young pretender —
In the latter part of career Prost had to battle with the youthful exuberance of future seven-time champion Michael Schumacher.
![Prost is a keen cyclist and is pictured here at the end of the 2009 L'Etape du Tour. The race enables 8,500 amateur cyclists to attempt a mountain stage of the Tour de France each year. The 2009 event was staged between Montelimar and Mout Ventoux, with Prost finishing 258th.](https://media.cnn.com/api/v1/images/stellar/prod/121203121756-motorsport-prost-cycling.jpg?q=w_2329,h_3500,x_0,y_0,c_fill/h_447)
From four to two wheels —
Prost is a keen cyclist and is pictured here at the end of the 2009 L'Etape du Tour. The race enables 8,500 amateur cyclists to attempt a mountain stage of the Tour de France each year. The 2009 event was staged between Montelimar and Mout Ventoux, with Prost finishing 258th.