The Nature of Space and Time is a book that documents a debate on physics and the philosophy of physics between the British theoretical physicists Roger Penrose and Stephen Hawking. The book was publi
Stephen William Hawking was an English theoretical astrophysicist, cosmologist, and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge. Between
Hawking, c. 1980
A 2009 image of the black hole candidate Cygnus X-1 by the Chandra X-ray Observatory
Hawking, with David Gross and Edward Witten at the 2001 Strings Conference at the Tata Institute of Fundamental Research, India.