Edzard Ernst, based at the University of Exeter, is the U.K.'s first professor of complementary medicine. He is the coauthor, with Simon Singh, of Trick or Treatment: The Undeniable Facts about Alternative Medicine.
Bestselling author and science journalist Simon Singh lives in London. His books include Fermat's Last Theorem, The Code Book, and Big Bang.
Dennis Kleinman has been narrating audiobooks since 2013 and has at least forty titles to his credit. Born in Cape Town, South Africa, he currently lives in Los Angeles.