Renowned Physicist Stephen Hawking Dies

Famed for his work on black holes and cosmology, he also survived decades with amyotrophic lateral sclerosis.

By Ashley Yeager | March 14, 2018

WIKIMEDIA, JIM CAMPBELL/AERO-NEWS NETWORKStephen Hawking died today (March 14) at his home in Cambridge, England. He was 76.

Hawking was known in the scientific community for his work on black holes and relativity, but he was also beloved by the public for his science books including A Brief History of Time and his appearances on popular television shows, such as The Simpsons and The Big Bang Theory. He was also outspoken about artificial intelligence and humanity’s yearning to explore.

Born in 1942 in Oxford, England, Hawking was later urged by his father—a researcher in tropical medicine—to pursue biology and medicine. But Hawking did not think those fields quantitative enough for his liking so he took on the study of mathematics and physics instead. After attending the University of Oxford for his undergraduate degree, Hawking went to the University of Cambridge for a PhD, when he was diagnosed with amyotrophic lateral sclerosis (ALS) in 1963. Although he was given two years to live, Hawking defied the diagnosis and survived another five decades with the disease.

In a 2013 documentary called Hawking, he said, “keeping an active mind has been vital to my survival, as has maintaining a sense of humor.”

ALS left Hawking bound to a wheelchair and unable to speak without the help of a voice synthesizer. Still, the disease did not keep Hawking from thinking about the universe differently than anyone had before. Lawrence Krauss, a theoretical physicist at the Arizona State University and a friend and colleague of Hawking, tells NPR that the British physicist discovered something “truly remarkable” at a young age—that, theoretically, some kind of particle could radiate out of black holes, an idea that ran counter to what physicists expected from gravity.

“That radiation is now called Hawking radiation,” Krauss told NPR in 2012. “And it changed everything about the way we think about gravity.”

As his ALS progressed, Hawking had to work harder to communicate his ideas. But that might have contributed to his mental prowess, Kip Thorne, a physicist at the Caltech who frequently collaborated with Hawking, tells NPR. “It was because of this handicap that he developed new ways of thinking,” Thorne says, “new ways of wrapping his brain around things that enabled him to out-think anybody else in the field.”

Hawking’s passing, famed astrophysicist Neil deGrasse Tyson wrote on Twitter this morning, has “left an intellectual vacuum in his wake. But it's not empty. Think of it as a kind of vacuum energy permeating the fabric of spacetime that defies measure.”

He is survived by his children, Lucy, Robert, and Tim.  

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Avatar of: James V. Kohl

James V. Kohl

Posts: 508

March 14, 2018

The comments by Neil deGrasse Tyson and Lawrence Krauss can be linked to this discussion: 2013 Isaac Asimov Memorial Debate: The Existence of Nothing and to the 2017 representation of biomolecules in On the Difference between Physics and Biology: Logical Branching and Biomolecules.

The creation of biomolecules will be discussed during Schrödinger at 75 - The Future of Biology - September 2018 after the virus-driven degradation of messenger RNA is discussed during Evolution – Genetic Novelty/Genomic Variations by RNA Networks and Viruses

Avatar of: James V. Kohl

James V. Kohl

Posts: 508

March 15, 2018

Death cured a theorist's Amyotrophic Lateral Sclerosis (ALS).   For comparison: Focus on the Role of D-serine and D-amino Acid Oxidase in Amyotrophic Lateral Sclerosis/Motor Neuron Disease (ALS)   A pathogenic mutation in D-amino acid oxidase (DAO) associated with familial ALS impairs D-serine metabolism and causes protein aggregation, autophagy and cell death in motor neuron cell lines.
...genetic analysis implicates a significant association between the abundance of DAO variants and ALS severity.
Stephen Hawking's suffering might have been prevented by intelligent biologists if Hawking learned enough to ask "What's an amino acid?"


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