uring the period between the publication of Pierre Esprit Radisson's Voyages by the Prince Society of Boston in 1885 and the appearance of Caesars of the Wilderness in 1943, scholarly journals and books were often enlivened by the historical controversy surrounding Radisson and his fellow explorer, Medard Chouart, Sieur Des Groseilliers. Often referred to as the "Radisson problem," the controversy called into question almost every aspect of the two men's lives, from the authenticity of parts of Radisson's narrative to the exact itinerary the men followed in their travels.

The...