http://www.telegraph.co.uk/news/worldnews/1549770/Hawking-to-experience-zero-gravity.html
http://news.bbc.co.uk/2/hi/science/nature/1599719.stm
http://www.theguardian.com/news/2007/jan/05/guardianobituaries.obituaries
Universe
on a T-Shirt-The quest for a Theory of Everything by Dan
Fak Accessed 11/27/2013
Stephen Hawking: His Life and Work by Fergusson Kitty ISBN - 978-1-4481-1047-6
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