The world woke up to the news that theoretical physicist Stephen Hawking had passed at the age of 76.
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Many celebrities, scientists, world leaders, and more shared tributes to one of the most renowned geniuses of our time.
Neil deGrasse Tyson, director of New York's Hayden Planetarium.
Singer Katy Perry.
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Actress Zoe Saldana.
Singer Kany García.
The cast of "The Big Bang Theory".
Eddie Redmayne, who portrayed Stephen Hawking in the movie "The Theory of Everything" sent a statement to Mashable that said, "We have lost a truly beautiful mind, an astonishing scientist and the funniest man I have ever had the pleasure to meet. My love and thoughts are with his extraordinary family."
Aerosmith's Steven Tyler.
Actor Kumail Nanjiani.
NASA.
Host Larry King.