Joseph SilkJoseph Silk is Bloomberg Research Professor at Johns Hopkins University and a researcher at the Institute of Astrophysics in Paris and the Beecroft Institute for Particle Astrophysics and Cosmology at the University of Oxford. His many books include he Big Bang, The Infinite Cosmos: Questions from the Frontiers of Cosmology, and On the Shores of the Unknown: A Short History of the Universe. He lives in Paris. Read More Read Less