Hugh Lenox Scott
(1853 - 1934)
Hugh Lenox Scott was a United States Army officer. He was a member of Troop L of the 7th U.S. Cavalry, and the Chief of Staff of the United States Army. And he was an expert in Indian sign language.
Bibliography
Sign Talk (1918)
An extensive history of signing and a dictionary of signs, chiefly from North American Indian sign language. Read for free online at Internet Archive.
Hugh Lenox Scott
Ernest Thompson Seton