Brilliant man , fought one hell of a battle against ALS The scientific world has lost a great one
http://pix11.com/2018/03/13/physicist-stephen-hawking-has-died-at-the-age-of-76-family-spokesperson/
http://pix11.com/2018/03/13/physicist-stephen-hawking-has-died-at-the-age-of-76-family-spokesperson/