Officer of the Order of Canada

• Awarded on: May 30, 2001
• Invested on: December 04, 2001

He first collaborated in observing atomic molecules in crystals using neutrons. He then pioneered the scattering of electrons in metals using positrons. Professor Emeritus of Physics at Queen's University, he has applied his knowledge to studies of public interest, including evaluating the safety of nuclear power reactors and developing plans for emergency response to a possible accident, as well as assessing the possible risk posed by electromagnetic fields from power lines. He has contributed to the Canadian and international research communities through his service to the Royal Society of Canada's Academy of Science, the National Research Council of Canada and the Natural Sciences and Engineering Research Council of Canada, among others.