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English physicist whose work in general relativity -
particular gravitational field theory - led to a search
for a quantum theory of gravity to explain black holes and the Big Bang, singularities
that classical relativity
theory does not adequately explain.
His most remarkable result, published in 1974, was that black holes could in fact emit
particles in the form of thermal radiation - the so-called Hawking radiation.
Hawking is confined to a wheelchair because of a rare and progressive neuromotor disease,
however he remains mentally active.
To learn more about Stephen Hawking, visit:
http://www.britannica.com/bcom/eb/article/0/0,5716,40440+1,00.html
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