William Clarence “Bill” Stokoe Jr. (/ˈstoʊkiː/ STOH-kee; July 21, 1919 – April 4, 2000) was an American linguist and a long-time professor at Gallaudet University.[2] From 1955 to 1970, he served as a professor and chairman of the English department at Gallaudet University, after being recruited to the position by his friend and former classmate Dean George Detmold.[10][8] Stokoe researched American Sign Language (ASL) extensively while he worked at Gallaudet University.Stokoe coined the terms tab, dez, and sig, meaning sign location, handshape and motion, to indicate different categories of phonemes in ASL.[13][14][15] Gil Eastman, a Deaf actor and playwright, recommended that Stokoe be called the "Father of Sign Language linguistics.