Dr Chris Smith is a Fellow of Queen's College, Cambridge as well as a microbiologist working at Addenbrooks Hospital. He is devoted to promoting the understanding of science, at which he is hugely effective through both the Naked Scientists' website and their local radio broadcasts in the UK and Australia. He lives in Cambridge. Dave Ansell is the Naked Scientists' Kitchen Science specialist. He spent several years as a post-grad physics student at Cambridge University, but spent most of his time AWOL, during which he was busy planning, organizing and building things for kids' science events with the society Cambridge Hands-On Science. He now works full time promoting the public understanding of science.