Magdalena Zernicka-Goetz is Professor of Mammalian Development and Stem Cell Biology at the University of Cambridge, where she runs a laboratory in the Department of Physiology, Development and Neuroscience. She is also a Fellow of Sidney Sussex College and a Wellcome Trust Senior Research Fellow. She holds several patents related to diagnosis and treatment, and has published 117 papers in major journals such as Nature, Science, and Cell. She lives in Cambridge, UK.

Roger Highfield is an author, journalist, broadcaster, and Science Director at the Science Museum Group. He is also Visiting Professor of Public Engagement at the University of Oxford and University College London. Prior to his work at the Science Museum Group, he was the editor of New Scientist and the science editor of the Daily Telegraph. He has written or co-authored eight popular science books, and edited J. Craig Venter's autobiography, A Life Decoded (Allen Lane/Viking, 2007), which was shortlisted for the Royal Society's Science Book Prize. He lives in London, UK.