Dr. Luke A. Barnes is a postdoctoral researcher at the Sydney Institute for Astronomy. His university medal from the University of Sydney helped Dr. Barnes earn a scholarship to complete a PhD at the University of Cambridge. He has published papers in the field of galaxy formation and on the fine-tuning of the Universe for life. His book with Prof. Geraint Lewis, titled "A Fortunate Universe: Life in a Finely-Tuned Cosmos”, will be published by Cambridge University Press in mid-2016. You can find him on Twitter as @lukebarnes83. He will participate in the event, 'The Story of Light: Deciphering the Data Encoded in the Cosmic Light'.