The Big Bang and beyond
Professor Brian Keating is an American physicist, cosmologist, writer and podcaster.
He has built some of the most advanced telescopes in the world to look back in time to the dawn of the universe.
His work has taken him to the South Pole and the mountains of Chile in a quest to get answers the biggest mysteries in science.
He is also author of the best selling book Losing the Nobel Prize and presents the podcast Into The Impossible.
