Stephen W Hawking Editor & Author

Stephen W. Hawking (1942–2018) was an English theoretical physicist, cosmologist and author who was director of research at the Centre for Theoretical Cosmology at the University of Cambridge. He was the Lucasian Professor of Mathematics at Cambridge from 1979 to 2009 and is the author of numerous books, including the international best-seller A Brief History of Time. (1989). George F. R. Ellis is the emeritus distinguished professor of complex systems in the Department of Mathematics and Applied Mathematics at the University of Cape Town, South Africa. He is considered one of the world's leading theorists in cosmology and, in recent years, he has been prolific in areas relating to the philosophy of science. He is author or co-author of more than a dozen books, including Relativistic Cosmology (with Roy Maartens and Malcolm MacCallum, 2012).