Catherine Whitlock's PhD in Immunology at the University of London was followed by ten years of post-doctoral research in cell biology and immunology. More recently she has taught these subjects. She has an ongoing research interest in evaluating the power of science communication initiatives, such as Cafe Scientifique, and having gained a Diploma in Science Communication from Birkbeck College, University of London, she now works as a freelance writer. Her most recent work, including her latest book, can be found at www.catherinewhitlock.co.uk. 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.