R. Allen Gardner, 91, Died; He Taught Sign Language to a Chimpanzee His Name

Washoe was 10 months old when her foster parents started teaching her to speak, and five months later they were already starting to announce her success. He not only learned the words; he could also link them together by forming phrases such as “waterfowl” when he saw a pair of swans, and “waterfowl” when he […]