Charles Van Doren, caught in a TV quiz show scandal in the 1950s was an English professor at which university?

Charles Van Doren, caught in a TV quiz show scandal in the 1950s was an English professor at Columbia University.

Charles Lincoln Van Doren (February 12, 1926 – April 9, 2019) was an American writer and editor who was involved in a television quiz show scandal in the 1950s. In 1959 he testified before the United States Congress that he had been given the correct answers by the producers of the NBC quiz show Twenty-One. Terminated by NBC, he joined Encyclopædia Britannica, Inc. in 1959, becoming a vice-president and writing and editing many books before retiring in 1982.