Siobhan Roberts is a Toronto-based journalist and author whose work focuses on mathematics and science. She contributes to The New Yorker “Elements” science blog, Quanta, Nautilus, and The Walrus. Her first book, King of Infinite Space: Donald Coxeter, The Man Who Saved Geometry, won the Mathematical Association of America’s 2009 Euler Book Prize. Her latest book is Genius at Play: The Curious Mind of John Horton Conway, for which she was longlisted for the RBC Taylor Prize and British Columbia’s National Award for Canadian Nonfiction.