kanurana5
Stephen Hawking was a great scientist.He had invented much for mankind.He had a disease due to which he became paralaised but he did not lose hope.He invented a machine like a chair which he controlled by his brain impulses.He has written some books like Brief History Of Time,,The Grand Design and Theory of Everything..He died on 14 march 2018 at Cambridge at UK..He was really great. HOPE IT HELPS.
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HOPE IT HELPS.