Hamilton Mack Laing, the renowned writer and naturalist, was born in Hensall, Ontario, in 1883. He had a distinguished career, with many books and articles in newspapers and outdoor magazines about the natural world to his credit. As a naturalist, Laing would travel far and wide on many expeditions, including the Smithsonian Institution's Lake Athabasca expedition of 1920 and the Canadian Alpine Club's Mount Logan expedition of 1925. He died in Comox, British Columbia, in 1982.