April 30, 1994

Ayrton Senna in his car ahead of practice

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April 30, 1994

Ayrton Senna talks with FISA doctor Sydney Watkins

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April 30, 1994

Ayrton Senna watches the practice session

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April 30, 1994

Ayrton Senna in his car ahead of practice

© Getty Images

April 22, 1994

Damon Hill and Ayrton Senna pose at the start of the 1994 season

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April 17, 1994

Ayrton Senna walks away from his first corner accident

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April 17, 1994

Ayrton Senna waits to be picked up after his Williams collided with Mika Hakkinen's McLaren

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April 17, 1994

Roland Ratzenberger before his one and only grand prix finish

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