Stephen Hawking is a world famous cosmologist astronomer and methamatician has passed away aged 76.
He had been suffer from amyotrophic lateral sclerosis since 21 year of his age.
He was severely attacked by pneumonia in 1985.
He became famous for his theoretical work on black holes.
He also contributed substantially to cosmology, the study of the universe's origin and and evolution.
Hawking was born in Oxford on 8 January 1942
source : A daily newspaper