Hiranya Peiris is one of the planck team, and winner of the 2012 RAS Fowler Prize. She studies the oldest light we can see in the universe in order to understand the why and how of the Big Bang. Hiranya here speaks about the origins of the early universe.
Hiranya Peiris is a reader in Astronomy at University College London and coordinator of the CosmicDawn project. She studies the fossilized heat of the Big Bang for clues about the physics that governed the very early universe.