Stephen Hawking has certainly made a name for himself in the universe! The renowned theoretical physicist passed away at the age of 76, a spokesperson confirmed to CBS News on Tuesday evening.

As the news broke, celebrities and personalities across the globe spoke out honouring the celebrated scientist.

The cast of “The Big Bang Theory” shared a group photo with Hawking, who appeared in seven episodes of the hit CBS comedy.

“In loving memory of Stephen Hawking. It was an honour to have him on ‘The Big Bang Theory’,” the show’s official Instagram account wrote. “Thank you for inspiring us and the world.”

Star Kaley Cuoco shared the same image to her person account, writing, “It was truly such an honour getting to work with the incredible Stephen Hawking.. He made us laugh and we made him laugh. His life and career workings have been many a subject matter on @thebigbangtheory_ and we are all better for it. You will be missed but the world is grateful for the knowledge and courage you leave in your path. Thank you for being an inspiration to everyone. #stephenhawking.”

Cuoco’s co-star Johnny Galecki also posted to his Instagram, writing, “RIP #stephenhawking Not only your brilliance, but your sense of humour will be sorely missed by all.”

Mayim Bialik wrote, “As we near Pi day (3.14) I join the global community in mourning the loss of the greatest physicist of our era. #StephenHawking is free from the physical constraints of this earthly condition we all exist in and he is soaring above us know marveling at it all. Thank you Dr. Hawking for enlightening us and blessing us with your wisdom and courage.”

Eddie Redmayne, who won an Oscar for his portrayal of the scientist in the 2014 film “The Theory of Everything”, also paid a touching tribute.

He wrote, according to the BBC: “When Stephen saw the film, I was rehearsing so I couldn’t see him beforehand but I saw him just after he went in and I said ‘hey Stephen I’m very nervous, but please do let me know what you think’.

“He took a while to respond and said in his iconic voice ‘I will let you know what I think, good or otherwise.'”

He also said:

Here are more celebrity reactions:

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