Prof. Paul Davies, Professor of Physics and Cosmology at the Arizona State University.

What is Life: In Search of a Unified Theory of Everything Prof. Paul Davies is a Professor of Physics and Cosmology at the Arizona State University. His research interests have focused mainly on quantum gravity, early universe cosmology, the theory of quantum black holes and the nature of time. He has also made important contributions to the field of astrobiology, and was an early advocate of the theory that life on Earth may have originated on Mars.