From groundbreaking work in science to his international bestseller, “A Brief History of Time,” Stephen Hawking was a renowned physicist and world-wide celebrity

From groundbreaking work in science to his international bestseller, "A Brief History of Time," Stephen Hawking was a renowned physicist and world-wide celebrity https://t.co/SgjNFHvpC2 pic.twitter.com/GLZ0cKdjIR

— CBS News (@CBSNews) March 14, 2018

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