He was diagnosed with amyotrophic lateral sclerosis at the age of twenty-one, but didn't let that stop him from receiving a graduate degree from Cambridge and going on to be an expert in the scientific origin of the universe and black holes.
Hawking is best known for writing A Brief History of Time, which explained cosmology in non-scientific terms so that non-scientists could understand it.
All books in the All About]] series titles include more than 50 illustrations, index, glossary, timeline, bibliography, famous quotes, further reading, and author bio.