Kathryn Harkup is a chemist and science communicator with a passion for exploring the darker and more fascinating corners of science. She is the author of "A is for Arsenic", which delves into the poisons behind Agatha Christie's most iconic mysteries, and "The Secret Lives of the Elements", an engaging tour through the periodic table uncovering the surprising stories behind every element. Harkup has a talent for making complex science accessible and entertaining, blending history, chemistry, and storytelling with wit and clarity. She regularly gives talks and writes on the quirky and captivating side of science.