The author of this book is Professor Emeritus from University of Toronto, Physics department. Professor Jacobs worked with Nobel Prize winners at the University of Illinois in the USA. He also worked with prominent physics professors in several countries in the world. Professor Jacobs personally paddled in Alberta, British Columbia, Manitoba, Newfoundland and Labrador, Ontario, Quebec, Saskatchewan and the three territories, Northwest, Nunavut, and Yukon, so he had intimate knowledge of the conditions encountered by the Moffat team. The author also mapped hundreds of canoe routes in Canada and the USA.