William Bynum is Professor Emeritus of the history of medicine at the Wellcome Centre for the History of Medicine at University College London. He is the author of Science and the Practice of Medicine in the Nineteenth Century and the Oxford Dictionary of Scientific Quotations.
Jonathan Cowley is a British voice actor who calls Los Angeles home. He has received AudioFile Earphones Awards for his narration of The Science of Evil by Simon Baron-Cohen, The Tower, the Zoo and the Tortoise by Julia Stuart, and The Angry Chef's Guide to Spotting Bullsh*t in the World of Food by Anthony Warner.