Question: When was the University established at which Wilfred Cantwell Smith was director of the Center for the Study of World Religions ? 
Sentence (from "Wilfred Cantwell Smith"): Wilfred Cantwell Smith {'1': ", '2': ", '3': ", '4': "} (July 21, 1916 – February 7, 2000) was a Canadian professor of comparative religion who from 1964–1973 was director of Harvard University's Center for the Study of World Religions.
Relevant evidence: Yes