Joan Bybee

Joan Lea Bybee (previously: Hooper; born 11 February 1945 in New Orleans, Louisiana) is an American linguist and professor emerita at the University of New Mexico. Much of her work concerns grammaticalization, stochastics, modality, morphology, and phonology. Bybee is best known for proposing the theory of usage-based phonology and for her contributions to cognitive and historical linguistics. Provided by Wikipedia