Dr. Catherine Whitlock and Dr. Rhodri Evans

Having gained a Diploma in Science Communication from Birkbeck College, University of London—as well as a PhD in Immunology—Catherine Whitlock now works as a freelance writer. She has written for numerous magazines and websites including The Wellcome Trust and Nature Publishing Group. She is a Chartered Biologist and a member of the British Society for Immunology and the Association of British Science Writers. She lives in Kent with her husband and three children.

Dr. Rhodri Evans studied Physics at Imperial College London, before gaining his PhD in Astrophysics from Cardiff University. He has taught at a number of universities around the world and is the author of numerous popular-science articles. He speaks regularly at conferences and is a regular contributor to the BBC on Physics and Astronomy. His popular blog can be found at The Curious Astronomer.