Laurence B. Leonard, Ph.D.
Laurence B. Leonard, Ph.D., Rachel E. Stark Distinguished Professor, Speech,
Language, and Hearing Sciences, Purdue University, 500 Oval Drive, Heavilon Hall,
West Lafayette, IN 47907
Laurence B. Leonard studies childhood language disorders, with special reference
to children with specifi c language impairment. Much of his work in recent years has
dealt with the grammatical defi cits of these children. Together with collaborators,
Dr. Leonard has studied children with specifi c language impairment from diverse
language groups, including Cantonese, Finnish, Hebrew, Hungarian, Italian, and
Spanish, as well as English.