Samuel Langhorne Clemens (November 30, 1835 – April 21, 1910), better known by his pen name Mark Twain, was an American author and humorist. He is most noted for his novel The Adventures of Tom Sawyer (1876) and its sequel, Adventures of Huckleberry Finn (1885), the latter often called "the Great American Novel".
Among other jobs he was a master riverboat pilot on the Mississippi River. Next he turned to journalism. While a reporter, he wrote a humorous story, "The Celebrated Jumping Frog of Calaveras County," which became very popular and brought nationwide attention.
Twain was born during a visit by Halley's Comet, and he predicted that he would "go out with it" as well. He died the day following the comet's subsequent return. He was lauded as the "greatest American humorist of his age," and William Faulkner called Twain "the father of American literature."