What did Stephen Hawking mainly work on?
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black holes / cosmology
He studied the origin and structure of the universe.
💡 Did you know? Hawking studied black holes and the Big Bang: the most extreme objects and moments in the universe.
10 questions · Science
Stephen Hawking, born in Oxford in 1942, was the most famous physicist of his time: a thinker about the universe who also became a symbol of the power of the human mind over the body. As a young man in Cambridge he was diagnosed with ALS, an incurable nerve disease, and the doctors gave him only a few years. He lived more than half a century longer. Hawking studied the most extreme objects in the cosmos: black holes. His most famous discovery was that black holes, against all expectation, are not completely black but glow ever so faintly and can even evaporate over time: today called Hawking radiation. With it he linked gravity, quantum physics and thermodynamics for the first time. His book "A Brief History of Time" made the great questions of cosmology accessible to millions and became one of the best-selling non-fiction books of all time. The disease confined Hawking to a wheelchair and robbed him of his voice; in the end he communicated through a computer-controlled speech synthesiser whose synthetic voice became world-famous. In Cambridge he long held the Lucasian chair: once Newton's. He died in 2018, on 14 March, Einstein's birthday.
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black holes / cosmology
He studied the origin and structure of the universe.
💡 Did you know? Hawking studied black holes and the Big Bang: the most extreme objects and moments in the universe.
Hawking radiation
Black holes glow faintly and evaporate.
💡 Did you know? Hawking showed that black holes are not entirely „black“ but slowly „evaporate“: the Hawking radiation.
A Brief History of Time
One of the best-selling non-fiction books ever.
💡 Did you know? „A Brief History of Time“ sold over 10 million copies: though hardly anyone read it all the way through.
ALS
Diagnosed in his early 20s; he lived decades longer.
💡 Did you know? At 21 Hawking was diagnosed with ALS and given only a few years: he lived over 50 more.
speech synthesiser
His synthetic voice became world-famous.
💡 Did you know? After losing his voice, Hawking spoke through a synthesiser: its robotic sound became his trademark.
Lucasian chair
Once held by Isaac Newton, too.
💡 Did you know? Hawking held Cambridge's Lucasian Chair: once occupied by Isaac Newton.

Foto: NASA · Public domain · Wikimedia Commons
Stephen Hawking
Stephen Hawking was a British physicist who, despite severe disability, shaped the study of black holes and the cosmos.
💡 Did you know? He even appeared in shows like „The Simpsons“ and „The Big Bang Theory“ and became a global pop icon of science.
1942
Born: 8 January 1942 in Oxford, England
2018
Died: 14 March 2018 in Cambridge, England, aged 76
Oxford, England
Born: 8 January 1942 in Oxford, England
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