Ivan Sag

Ivan Sag ( born November 9, 1949 in Alliance, Ohio; † September 10, 2013 ) was an American linguist. He was a professor of linguistics at Stanford University.

With Carl Pollard, he wrote several books that introduce the as Head -driven Phrase Structure Grammar ( HPSG ) designated grammar theory and develop. He had also been involved in work on the Generalized Phrase Structure Grammar (GPSG ), the immediate predecessor of HPSG. Say wrote numerous articles on issues of linguistic theories and analyzes.

Ivan Sags research interest included long-distance dependencies (remote dependencies) and wh -movement, the English Auxiliarsystem, various questions about the syntax / semantics interface and the relationship between syntactic theory and language processing. Recent work by him integrate ideas of Construction Grammar in HPSG.

Say received his doctoral degree at MIT, where he wrote his dissertation on ellipses under the supervision of Noam Chomsky. Previously, he received a Masters from the University of Pennsylvania, where he studied Indo-European, Sanskrit, and sociolinguistics, and a BS from the University of Rochester.