Stephen Hawking, who is one of the famous physicists, was born in Britain on January 8th, 1942. As a child, he was enthusiastic about (design) complicated toys but (fortune), in his twenties, he suffered a disease that was impossible to be cured,was a great challenge for him. However, he was not only positive about the misfortunes, and eventually he (defeat) all the obstacles but also he was absorbed his research in the universe. In 1988, his best-seller A Brief History of Time (publish), in which he put forward the idea time itself has a beginning, and that it will have end. In (conclude), he has made outstanding contributions to the fields of cosmology and quantum gravity.
