David Lightfoot (linguist)

David William Lightfoot (born February 10, 1945) is an American linguist who served as an assistant director of the National Science Foundation from 2005 to 2009. He is a professor of linguistics at Georgetown University.

Books

 * The language lottery: toward a biology of grammars
 * Born to Parse: How Children Select Their Languages
 * How to Set Parameters: Arguments From Language Change