Theoretical Physicist Stephen Hawking has Died at 76

Stephen Hawking, whose brilliant mind ranged across time and space though his body was paralyzed by disease, has died, a family spokesman said. "He was a great scientist and an extraordinary man whose work and legacy will live on for many years,'' his children Lucy, Robert and Tim said in a statement.  The best-known theoretical physicist of his time, Hawking wrote so lucidly of the mysteries of space, time and black holes that his book, "A Brief History of...

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