John Wayne was an outstanding American actor born in 1907, a true icon, best known for his masculinity, calm voice, walk and height: he was 6'4'' (193 cm) tall. "True Grit", a Western filmed in 1969, is considered to be one of the greatest John Wayne's works. He won an Oscar for Best Actor for his performance as "Rooster" Cogburn in 1970.

The movie "True Grit", directed by Henry Hathaway, was based upon the 1968 novel "True Grit" by Charles Portis. In both the book and movie, Cogburn is a fictional character who is a veteran of the American Civil War who served under Confederate guerrilla leader William Quantrill, where Cogburn lost an eye.

Cogburn is described as a "fearless, one-eyed US Marshal who never knew a dry day in his life". He was the "toughest marshal" working the Indian Territory on behalf of Judge Isaac Parker, the real-life judge of the United States District Court for the Western District of Arkansas (having criminal jurisdiction in the Indian Territory, as the bailiff repeatedly announces in the film). While doing his job, Cogburn is said to have shot a total of 70 men in eight years, killing 60, all of whom he claimed to have killed in self-defense, in the line of duty, or fleeing justice.

In the 1969 film, Cogburn helps a headstrong 14-year-old girl, named Mattie Ross (Kim Darby), along with Texas Ranger LaBoeuf (Glen Campbell), to track down Tom Chaney (Jeff Corey). Chaney was the man who had drunkenly killed Mattie's father.

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