Dr. Hannah Wunsch is an intensivist in the Department of Critical Care Medicine at Sunnybrook Hospital and Professor in the Department of Anesthesiology and Pain Medicine and the Interdepartmental Division of Critical Care Medicine at the University of Toronto. She is the Associate Director of Critical Care Research at the University of Toronto and holds a Tier 2 Canada Research Chair in Critical Care Organization and Outcomes. She is the author of the book, The Autumn Ghost: How the Battle Against a Polio Epidemic Revolutionized Modern Medical Care.