Stephen Hawking is a famous British scientist. He is often on TV and in magazines. He lives in Cambridge. He is married and has got three children.
Stephen has got a neuromuscular disease: he can't move and he can't talk. A nurse helps him to dress, eat and wash. She is with him 24 hours a day. He can communicate with other people with a special computer. He uses this computer to teach at the University of Cambridge, where he is a professor of mathematics. He has got a special wheelchair with a portable computer.
You can sometimes see him in the streets and shops of Cambridge. He loves shopping especially buying clothes for his daughter.
Stephen is an ambitious and determined man. He can't write so he dictates his ideas to a secretary. He is the author of a best-selling book called A Brief History of Time. It is about the beginning of the world and other cosmic mysteries.