Brilliant Obsession: Building the Imperial Tower LighthousesFor more than 160 years, the Imperial Tower lighthouses have stood sentinel along the coast of Lake Huron and Georgian Bay. In Brilliant Obsession, retired archivist Diane Allengame recreates the time in which these engineering marvels were created, blending known people and events with a colourful series of characters and stories that bring the period to life. She has created a plausible backstory for John Brown, the contractor whose obsession with