About Siobhan Roberts Siobhan Roberts has written for The Walrus, Toronto Life, Canadian Geographic, Saturday Night, and the Globe and Mail. She has won two National Magazine Awards, one for her profile of Coxeter in Toronto Life. Books by Siobhan Roberts Genius At Play The Curious Mind of John Horton Conway by (author) Siobhan Roberts King of Infinite Space Donald Coxeter, the Man Who Saved Geometry by (author) Siobhan Roberts