Stephen Hawking

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13 of Our Favorite Sciencey Big Bang Theory Guest Stars

The show welcomed a huge roster of guest celebs over the years, but this crew fit the adorably nerdy bill best

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Stephen Hawking Has One Big Item Left on His 'Pop Culture Icon' To-Do List (Hint: It Involves the Kardashians!)

"I won't feel like a true pop culture icon until I've been on the Kardashians," says Stephen Hawking