O. Henry
From HistoryWiki
Wikipedia page about William Sydney Porter, who used the pen name: O. Henry
William Sydney Porter, known by his pen name O. Henry, was an American writer. O. Henry's short stories are known for their wit, wordplay, warm characterization, and surprise endings.
Born: William Sidney Porter, Thursday, September 11, 1862, Greensboro, North Carolina
Died: Sunday, June 5, 1910, New York City, (aged 47)