Washington Irving (April 3, 1783 - November 28, 1859) was an American author, essayist, biographer and historian of the early 19th century. He is best known for his short stories "The Legend of Sleepy Hollow" and "Rip Van Winkle", both of which appear in his book The Sketch Book of Geoffrey Crayon, Gent. His historical works include biographies of George Washington, Oliver Goldsmith and Muhammad, and several histories of 15th-century Spain dealing with subjects such as Christopher Columbus, the Moors, and the Alhambra. Irving also served as the U.S. ambassador to Spain from 1842 to 1846. -wikipedia