While the West reeled from America's stock market crash of 1929, another crisis was brewing in the field of cosmology. One of the most ambitious scientific theories in history--that the universe had a beginning--was beginning to take shape, ushering in a new cosmological paradigm. But the real heroes of the Big Bang revolution have been largely forgotten. A new book from Discovery Institute Press amends the record and tells the remarkable story. On this ID The Future, host Andrew McDiarmid reads an excerpt from The Big Bang Revolutionaries, by distinguished astrophysicist Jean-Pierre Luminet.