Curated by Katie Healey and Caroline Lieffers, doctoral students in Yale’s Program for the History of Science and Medicine, this online exhibit contains some of the 17th century information on manually coded languages, the beginnings of the American School for the Deaf (ASD) in the 19th century, key leaders including Laurent Clerc, Dr. Mason Fitch Cogswell, Thomas H. Gallaudet, communication divide, the history of Gallaudet University, the role of Amos Kendall, the Deaf President Now (DPN) movement, sign languages, medical cultural view, hearing technological developments, and superheroes.