STEPHEN HAWKING | Before They Were GONE | BIOGRAPHY
Sheldon meets Stephen Hawking- The big bang theory
Top 10 Unforgettable Stephen Hawking Cameos in Pop Culture
Stephen William Hawking was an English theoretical physicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge at the time of his death. He was the Lucasian Professor of Mathematics at the University of Cambridge between 1979 and 2009.