Companion of the Order of Canada

• Awarded on: April 20, 1989
• Invested on: October 18, 1989

The single most pre-eminent geologist in his field in the world and currently Professor at the University of Western Ontario, he is one of the most influential scientists in Canada and a universally respected advocate of science in the service of the world community. An acknowledged expert in agricultural and environmental geochemistry, global tectonics, resource development and conservation and nuclear waste disposal, he has a breadth of vision that has guided and motivated students, fellow scientists and all who share his deep concern for the future of earth and humanity.