The Living Tongues Institute for Endangered Languages (LTIEL) is a nonprofit 501 (c)(3) organization based in Salem, Oregon, United States. The institute's focus is to scientifically document endangered languages, as well as assist communities with maintaining and revitalizing knowledge of their native languages. The institute's founder and director is Dr. Gregory D. S. Anderson. The institute's Director of Research is Dr. K. David Harrison. - from Wikipedia