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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.