George Weisz is a professor of social studies and medicine and Cotton-Hannah Chair for the History of Medicine at McGill University in Quebec. He is author and editor of several books, including Divide and Conquer: A Comparative History of Medical Specialization, and co-editor of Greater than the Parts: Holism in Biomedicine, 1920-1950 and Body Counts: Medical Quantification in Historical and Sociological Perspectives.