Archie Belaney's life of deception brought his cause to the worldAlmost as soon as the man known as Grey Owl died in a Prince Albert, Sask., hospital on April 13, 1938, his many secrets began to emerge into the open air. That same day, The North Bay Nugget ran a story it had sat on for three years, revealing that the famous Indian naturalist was actually an Englishman named Archie Belaney. And not just any Englishman, it eventually turned out, but a binge-drinking bigamist who had had five "wives." His closest supporters, especially Lovat Dickson, the Canadian-born London publisher who...