Prior to joining the Mercyhurst faculty in 2011, Dausey was a professor at Carnegie Mellon University and the Senior Director of Health Programs and Initiatives at the H. John Heinz III College. Dausey maintains an honorary faculty position at Carnegie Mellon as a Distinguished Service Professor.
Sumerian language. Sumerian language, language isolate and the oldest written language in existence. First attested about 3100 bc in southern Mesopotamia, it flourished during the 3rd millennium bc. About 2000 bc, Sumerian was replaced as a spoken language by Semitic Akkadian (Assyro-Babylonian) but continued in written usage almost to the end of the life of the Akkadian language, around the beginning of the Christian era.
Confidence votes 5. A language cannot technically be invented so much as it is developed over time, so it's impossible to pinpoint exactly when the language began. The first school for the deaf in the United States was established in Hartford, Connecticut in 1817.ritish sign language has evolved  and improved, as all languages do, fro â¦ m these origins by  modification, invention and demand Thomas Braidwood a teacher from  Edinburgh founded 'Braidwood's Academy for the Deaf and Dumb' in  1760 which is recognised as the first school for the deaf in  Britain.