Who is this 15-year-old boy, destined to be one of America's most recognizable names?

Mark Twain is a top-level American humorist. His humor can be enjoyed today. One of my favorite stories (among many Twain stories) is the one where 2 kidnappers take a son of a wealthy family. They asked for ransom but ended up paying the parents to take the kid back.

Dorothy, I'm pretty sure that is "The Ransom of Redchief" & was written by O'Henry.

I would just like to point out that Errol Flynn was NOT american. He was an Australian