Picture of Stephen Hawking
Stephen Hawking is an English astrophysicist who was born in 1942. He is a leader in the fields of theoretical physics and cosmology. Hawking is most famous for his work on black holes, bodies of matter so dense that their gravitational fields trap even light inside.
In his early twenties, Hawking was diagnosed with a ultimately terminal illness. Today he is confined to a wheelchair and unable to speak. He communicates his brilliant ideas with the aid of computers.
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