Wilfred Cantwell Smith (July 21, 1916 – February 7, 2000) was a Canadian professor of comparative religion who from 1964–1973 was director of Harvard's Center for the Study of World Religions. The Harvard Gazette characterized him as one of the field's most influential figures of the past century. In his 1962 work The Meaning and End of Religion he notably and controversially questioned the validity of the concept of religion.