Dame Tanni Grey Thompson is arguably one of Great Britains most acomplished, and favourite, Olympians. She has won many, many medals in the para-olympian sphere.
On the BBC programme "The Heaven and Earth Show" on August 7th 2005, 10:57 am she said, "When you die, you die, and that's it".
Her (non) religious belief is shown here: http://women.timesonline.co.uk/article/0,,17909-1579902,00.html
...and her sporting achievements can be seen here: http://en.wikipedia.org/wiki/Tanni_Grey-Thompson