Timothy Treadwell (born Timothy William Dexter; April 29, 1957 – October 5, 2003) was an American bear enthusiast, environmentalist, and documentary filmmaker and founder of the bear-protection organization Grizzly People. He lived among coastal brown bears (Ursus arctos), which he called grizzly bears (U. a. horribilis), in Katmai National Park in Alaska for 13 summers. At the end of summer 2003, at 46 years old, his girlfriend Amie Huguenard and he were killed and almost fully eaten by a 28-year-old bear, whose stomach was later found to contain human remains and clothing.