In July 1865 an obscure printer named Edward Whymper became the most talked-about man in the Victorian age. He had climbed the Matterhorn, one of the world's legendary mountains, and one of the last to be conquered in the Alps, but he had earned his glory at a horrible cost. A rope snapped during the descent and four of his seven-strong team fell to their deaths. Portions sufficient to fill three coffins were later retrieved. Of the fourth man - a Lord, no less - nothing was found save a shoe, a...