Deborah Blum is a science writer and the director of the Knight Science Journalism Program at the Massachusetts Institute for Technology. Prior to that, she was a professor of journalism at UW–Madison from 1997 to 2015. She is the author of many books, including The Poisoner’s Handbook: Murder and the Birth of Forensic Medicine in Jazz Age New York (Penguin, 2010) and The Poison Squad: One Chemist’s Single-Minded Crusade for Food Safety at the Turn of the Twentieth Century (Penguin, 2018).