@CNN: Some of the most prized possessions of late British physicist Stephen Hawking, including a copy of his Ph.D thesis and an early wheelchair, have sold for much more than expected at an auction by Christie’s in London https://t.co/8OxmGT6CQ9 https://t.co/Ek4WdCdD1l

Some of the most prized possessions of late British physicist Stephen Hawking, including a copy of his Ph.D thesis and an early wheelchair, have sold for much more than expected at an auction by Christie's in London https://t.co/8OxmGT6CQ9 pic.twitter.com/Ek4WdCdD1l

— CNN (@CNN) November 9, 2018