This is the story of Whiteshell Laboratories, part of Atomic Energy of Canada Limited for over 50 years, building and operating the WR-1 test reactor, nuclear research and engineering, and nuclear waste management studies. Important research contributions were also made in reactor design and safety, life sciences, environmental protection, and the decommissioning of nuclear facilities. This book highlights many of the people and accomplishments that made Whiteshell Laboratories an important part of Canada's nuclear family. It is dedicated to the thousands of women and men who have been part of the Whiteshell Story.