Stars and scientists alike are paying tribute to scientist Stephen Hawking after news broke that on March 14th, at the age of 76.
Hawking was famous for his theories related to black holes and quantum gravity, authoring the book "" and overcoming the odds for survival after being diagnosed with amyotrophic lateral sclerosis (ALS) at 21.
He also made several TV cameos, including The Big Bang Theory. Hawking made an appearance on the show in 2012, and has been mentioned countless times, as he was one of Sheldon's heroes.
Once the cast heard the news of Hawking's death, they paid tribute to the beloved physicist with a sweet behind-the-scenes photo.
Kaley Cuoco shared the same photo on Instagram, along with a caption that read: "It was truly such an honor 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 and we are all better for it."
Other celebrities have also paid tribute to Hawking. Eddie Redmayne, who played Hawking in 2014's , said to , "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."
Fellow scientist Neil deGrasse Tyson also shared his appreciation for Hawking.
And from us, we say, RIP Stephen Hawking — you will be missed.