Stephen Hawking

Stephen Hawking was an English theoretical physicist and cosmologist who wrote popular science about black holes, the origins of the universe and the nature of time. His best-known book, A Brief History of Time, stayed on the Sunday Times bestseller list for a record 237 weeks. He also wrote The Grand Design, The Universe in a Nutshell and the memoir My Brief History. Diagnosed with motor neurone disease at 21, Hawking died in 2018 at the age of 76.