an obituary published Friday by the New York Times. Lundberg did not immediately respond to The Post’s request for confirmation.Neither the cause of death, nor where McMurtry passed away, are immediately known.McMurtry was best known for his anti-Western work, or stories that focused on demythologizing the romanticism of the American West.“I’m a critic of the myth of the cowboy,’’ the native Texan reportedly said in an interview 1988.