Henry Brighton is a research scientist at the Max Planck Institute for Human Development in Berlin, where he explores cognition-inspired approaches to Artificial Intelligence. Previously, he was a postdoctoral research fellow at the University of Edinburgh, and a research scientist at SHARP Laboratories of Europe, Oxford.

Howard Selina studied painting at St. Martin's School of Art and the Royal Academy in London, where he now lives and works. He has also illustrated Introducing series titles on Evolution and Consciousness.