This is an intimate biography of an artist who became a legend after his death, but who in his private life stands revealed as a troubled man who was, in many ways, his own victim. Joan Murray’s new biography is part detective work, too: she investigates his beliefs, and the origins of his great masterpieces, and provides a convincing description of the possible circumstances of his death. The art of Tom Thomson represents one of the high points of Canadian modernism, which flourished in the...