Stephen Hawking in The Big Bang Theory

Physicist Stephen Hawking has signed up to make a cameo appearance in US sitcom The Big Bang Theory.

Physicist Stephen Hawking has signed up to make a cameo appearance in US sitcom The Big Bang Theory, reports contactmusic.com.

Renowned-physicist-Professor-Stephen-Hawking-speaks-during-a-lecture-in-Waterloo-Ontario-AFP

"When people would ask us who a dream guest star for the show would be, we would always joke and say Stephen Hawking - knowing that it was a long shot of astronomical proportions.

"In fact, we're not exactly sure how we got him. It's the kind of mystery that could only be understood by, say, a Stephen Hawking," said show's producer Bill Prady.