William Naphy is Senior Lecturer and Director of Teaching and Learning in the School of Divinity, History & Philosophy at the University of Aberdeen. He is the author of Sex Crimes: From Renaissance to Enlightenment, Born to be Gay: A History of Homosexuality, Plagues, Poisons and Potions, co-author of Plague: Black Death & Pestilence in Europe, and general editor of Tempus Publishing's Dark Histories series. He is a regular guest on Radio 4's Start the Week, and has been historical consultant on Channel 4 and BBC documentaries on the history of the plague and witchcraft. He lives in Aberdeen.