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Senna made his Grand Prix debut for Toleman in 1984, impressing with a stunning drive to second place in Monaco

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Senna's ambition led him in 1985 to Lotus, where he won six races in three years

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Senna moved to McLaren in 1988, winning his first world title with eight victories in 16 races

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Senna was driven by an overpowering will to win, which drove him to extremes never seen before in Formula One

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Senna stood on the top step of the podium 41 times in his career - including five victories in the Belgian Grand Prix

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Senna and Prost were the bitterest rivals Formula One has known - but held each other's ability in the highest respect

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Senna allowed his battle with Prost to cloud his judgement, leading to a number of infamous incidents

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Senna was never more superior than at Monaco, where his record of six victories still stands

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Senna was expected to dominate in 1994, but his Williams had design problems at the start of the season

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Two non-finishes in the first two races of 1994 left Senna 20 points behind Michael Schumacher

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Senna's Williams leads as the field tours around behind the safety car in the 1994 San Marino Grand Prix

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The wreckage of Senna's Williams at Imola on 1 May 1994 after the Brazilian lost control through the Tamburello curve

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Senna's grave in Sao Paulo still attracts fans eager to pay tribute to a man who was a sporting icon around the world

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Senna's sister Viviane has continued his charity work helping disadvantaged children in their native Brazil