James Fraser Mustard CC OOnt FRSC (October 16, 1927 – November 16, 2011) was a Canadian doctor and renowned researcher in early childhood development. Born, raised and educated in Toronto, Ontario, Mustard began his career as a research fellow at the University of Toronto where he studied the effects of blood lipids, their relation to heart disease and how Aspirin could mitigate those effects. He published the first clinical trial showing that aspirin could prevent heart attacks and strokes. In 1966, he was one of the founding faculty members at McMaster University's newly established medical school. He was the Dean of the Faculty of Health Sciences and the medical school at McMaster University from 1972–1982. In 1982, he helped found the Canadian Institute for Advanced Research and served