@CNN: British theoretical physicist Stephen Hawking has died. He was 76. “A star just went out in the cosmos,” tweeted Lawrence Krauss, a theoretical physicist and cosmologist. “We have lost an amazing human being.” https://t.co/h2yGmMgWgM https://t.co/g5c0uPIqyV

@CNN: British theoretical physicist Stephen Hawking has died. He was 76.

“A star just went out in the cosmos,” tweeted Lawrence Krauss, a theoretical physicist and cosmologist. “We have lost an amazing human being.” https://t.co/h2yGmMgWgM https://t.co/g5c0uPIqyV