Stephen William Hawking (8 January 1942 – 14 March 2018) was a British theoretical physicist and mathematician. He was born in Oxford. In 1950, he moved to St Albans, Hertfordshire. He was one of the world's leading theoretical physicists. Hawking has written many science books for people who are not scientists.
Hawking was a professor of mathematics at the University of Cambridge (a position that Isaac Newton once had). He retired on 1 October 2009.