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Remembering Stephen Hawking:
These 15 photos show how Stephen Hawking defied his disability and lived an incredible life
Stephen Hawking died on a day that is cosmically connected to Albert Einstein and Pi
Stephen Hawking was only expected to live a few years after being diagnosed with ALS at age 21 — here's what the disease is
The man who helped Stephen Hawking achieve his lifelong dream of experiencing zero gravity remembers what it was like to watch the acclaimed physicist break free of his wheelchair
Stephen Hawking was rumored to run over the toes of people he didn't like with his wheelchair
Here's what Eddie Redmayne, who played Stephen Hawking in 'The Theory of Everything,' said about his death
Stephen Hawking had a 'sense of humor as vast as the universe': unique tributes flood in for esteemed scientist