Dr. Keon earned a master of science degree in experimental surgery from McGill University, and trained at Montreal General Hospital, Toronto General, the Hospital for Sick Children and Harvard Medical Center in Boston. But cardiac surgeon was only one aspect of his illustrious career. Dr. Keon founded and directed the University of Ottawa Heart Institute, was a professor of surgery at the University of Ottawa, served in the Canadian Senate for two decades and participated in countless community initiatives in the national capital. After suffering from cardiovascular disease, the condition he spent a lifetime researching and treating, Dr. Keon died on April 7. He was 83.