Influential scientist Stephen Hawking dies

Science

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Stephen Hawking. | Carey Bodenheimer, CNN

(CNN) — Stephen Hawking, the brilliant British theoretical physicist who overcame a debilitating disease to publish wildly popular books probing the mysteries of the universe, has died, according to a family spokesman. He was 76.

Considered by many to be the world’s greatest living scientist, Hawking was also a cosmologist, astronomer, mathematician and author of numerous books including the landmark “A Brief History of Time,” which has sold more than 10 million copies.

With fellow physicist Roger Penrose, Hawking merged Einstein’s theory of relativity with quantum theory to suggest that space and time would begin with the Big Bang and end in black holes. Hawking also discovered that black holes are not completely black but emit radiation and will likely eventually evaporate and disappear.

Hawking suffered from ALS (amyotrophic lateral sclerosis), a neurodegenerative disease commonly known as Lou Gehrig’s Disease, which is usually fatal within a few years. He was diagnosed in 1963, when he was 21, and doctors initially only gave him a few years to live.

The disease left Hawking wheelchair-bound and paralyzed. He was able to move only a few fingers on one hand and was completely dependent on others or on technology for virtually everything — bathing, dressing, eating, even speech.

Hawking used a speech synthesizer that allowed him to speak in a computerized voice with an American accent.

“I try to lead as normal a life as possible, and not think about my condition, or regret the things it prevents me from doing, which are not that many,” he wrote on his website.

“I have been lucky that my condition has progressed more slowly than is often the case. But it shows that one need not lose hope.”

Hawking was married twice. He and his first wife, Jane Wilde, wed when he was still a grad student and remained together for 30 years before divorcing in 1995. Hawking was later married for 11 years to Elaine Mason, one of his former nurses.

Hawking was born in Oxford, England, on what turned out to be an auspicious date: January 8, 1942 — the 300th anniversary of the death of astronomer and physicist Galileo Galilei.

In an exclusive interview with CNN in October 2008, Hawking said that if humans can survive the next 200 years and learn to live in space, then our future will be bright.

“I believe that the long-term future of the human race must be in space,” Hawking told CNN’s Becky Anderson.

“It will be difficult enough to avoid disaster on planet Earth in the next 100 years, let alone next thousand, or million. The human race shouldn’t have all its eggs in one basket, or on one planet. Let’s hope we can avoid dropping the basket until we have spread the load.”

At Cambridge, he held the position of Lucasian Professor of Mathematics — the prestigious post held from 1669 to 1702 by Sir Isaac Newton, widely considered one of the greatest scientists in modern history.

Yet Hawking once said if he had the chance to meet Newton or Marilyn Monroe, he would opt for the movie star.

Hawking became a hero to math and science geeks and pop culture figure, guest-starring as himself on “Star Trek: The Next Generation” and “The Simpsons.”

He had at least 12 honorary degrees and was awarded the CBE in 1982. A CBE, or Commander in the Most Excellent Order of the British Empire, is considered a major honor for a British citizen and is one rank below knighthood.

Despite being a British citizen he was awarded the Presidential Medal of Freedom, the US’s highest civilian honor, in 2009 by President Barack Obama.

In September 2016 Hawking joined 375 “concerned” scientists in penning an open letter criticizing then-presidential candidate Donald Trump, citing the threat of climate change and blasting his push for the US to leave the Paris Accord.

Hawking leaves behind three children and three grandchildren, according to his website.

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