Stephen Hawking was:A physicist A cosmologist An author One of the cleverest people who ever lived. While studying at Oxford University, Stephen Hawking was diagnosed with motor neurone disease, which meant that eventually he was completely paralysed, and could only talk via a computer.But that never held him back, and because of his work on time and space, he changed the way the world thinks about the universe.Discover more about the life of a man who is known for his incredible contribution to science in this beautifully illustrated book.