The 5th Earl of Lonsdale, Hugh Lowther, was perhaps the most famous English Lord in the world by the 1880s. His reckless spending of his vast fortune, his womanising, his love of gambling, horses, hunting and boxing rocked the aristocracy and has endeared him to risk-takers and bon-viveurs the world over ever since. As a penniless, wayward, younger son who had not expected to inherit, Hugh had joined a travelling circus for a year after leaving Eton,...