An American humorist with the pseudonym of "Mark Twain," born at Florida, Missouri, U.S.; began his literary career as a newspaper reporter and a lecturer; his first book "The Jumping Frog"; visited Europe, described in the "Innocents Abroad"; married a lady of fortune; wrote largely in his peculiar humorous vein, such as the "Tramp Abroad"; produced a drama entitled the "Gilded Age," and compiled the "Memoirs of General Grant"; b . 1835.