Venezuelan physician, naturalist, historian, linguist and philologist. Stein was also an ethnographer, geographer, linguist and surveyor. Charles Hockett was an American linguist and anthropologist, who lived from 1916 to 2000. Internet linguistics is a domain of linguistics advocated by the English linguist David Crystal. Madhusudan was a gifted linguist and polyglot. His sister was the noted linguist and folklorist, Louise Pound. Among the speakers was American linguist and political activist Noam Chomsky. He was also a gifted linguist and pianist. She was a good linguist and musician. Ithkuil is an experimental constructed language created by American linguist John Quijada. Their language was created by Dr. Paul Frommer, a linguist at USC. Scholars include the linguist and Boasian Edward Sapir. He was a mathematical linguist (vyakarana). He was married to linguist Frances Karttunen. She was married to linguist George Lakoff.