Ted Supalla, Ph.D.

Professor - Georgetown University

Deaf Studies Digital Journal


Ted Supalla, Ph.D. Professor Georgetown University Ted Supalla is a Professor of Neurology, Linguistics and Psychology at Georgetown University and the director of the Sign Language Research Lab. Supalla has been working in the areas of ASL linguistics and Deaf Studies for over 40 years. Currently he is reconstructing the early grammar of American Sign Language and its literary traditions, through a structural analysis of ASL as recorded on historical films. He is a co-author of Sign Language Archaeology: Understanding Historical Roots of American Sign Language. His lab hosts a Historical Sign Language Database ( as a resource tool for public use. In addition, he teaches a massive open online course entitled: Sign Language Structure, Learning, and Change (