Dennis Smith is a chemist who is recognized worldwide for his contributions to biomaterials science and education. He began his career in England, where he developed specialized cements used in restorative dentistry and in the first orthopedic hip replacements. At the University of Toronto, which he joined in 1969, he played an instrumental role in developing one of Canada's truly international research programs in biomaterials. He also contributed to the scientific and academic advancement of this discipline by co-founding the Canadian Biomaterials Society and by serving on national and international committees. Professor emeritus at the University's Institute of Biomaterials and Biomedical Engineering, he remains actively engaged in research.