What A Brief History of Time author and cosmologist came up with a theory about black holes?

Having written best-selling books A Brief History of Time and The Theory of Everything, Stephen Hawking was a brilliant theoretical physicist working out of the University of Cambridge. He said, "Intelligence is the ability to adapt to change," and he should know, as he suffered from paralysis caused by a progressive motor neuron disease. Hawking didn't let the disease stop him from proposing a theory of cosmology that united quantum mechanics with the theory of relativity.

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