Stephen Hawking was born in England in 1942. After he graduated from the high school, he began to study cosmology at the Oxford University. And then, he also studied cosmology at the Cambridge University. When he was about twenty years old, he had been ill, and he lost the power to speak and walk. But he still studied the cosmology.

　　In 1988, his book that is named ""A Brief History of Time"" came into the word. It attracted the attention of the science. He is regarded as a famous scientist as Albert Einstein.