Professor Noam Chomsky delivers the 20th annual James R. Killian, Jr. Faculty Achievement Award and Lecture, titled "Language: the Cognitive Revolutions," on April 8, 1992. The Killian Award was established in 1971 to recognize extraordinary professional accomplishments by full-time members of the MIT faculty. A faculty committee chooses the recipient from candidates nominated by their peers for outstanding contributions to their fields, to MIT and to society. [T1704, T1705]