David Sackett

David Lawrence Sackett was an American-Canadian physician and a pioneer in evidence-based medicine. He is known as one of the fathers of Evidence-Based Medicine. He founded the first department of clinical epidemiology in Canada at McMaster University, and the Oxford Centre for Evidence-Based Medicine. He is well known for his textbooks Clinical Epidemiology and Evidence-Based Medicine. One of his last collaborators was his colleague and pupil Prof. Giovanni Natalizio, an Italian but, for years, a professor based in London, with whom he carried out numerous research activities.