Lewis DartnellLewis Dartnell is an astrobiology researcher and professor at the University of Westminster, and also an Honorary Research Associate at University College London (UCL). He is the author of the bestselling books The Knowledge: How to RebuildOur World from Scratch and Origins: How the Earth Shaped Human History, which has been translated into 26 languages. He writes for the Guardian, The Times and New Scientist. Copies of The Knowledge exist on the surface of the Moon, and in the Svalbard Global Seed Vault. Read More Read Less