Julian Havil

Julian Havil is the author of Gamma: Exploring Euler's Constant, Nonplussed!: Mathematical Proof of Implausible Ideas, Impossible?: Surprising Solutions to Counterintuitive Conundrums, and The Irrationals: A Story of the Numbers You Can't Count On (all Princeton). He is a retired former master at Winchester College, England, where he taught mathematics for more than three decades.