Scott Joplin (November 24, 1868 – April 1, 1917) was an American composer and pianist. Dubbed the "King of Ragtime", he composed more than 40 ragtime pieces, one ragtime ballet (original version of "The Ragtime Dance", 1899/1902), and two operas. One of his first and most popular pieces, the "Maple Leaf Rag", became the genre's first and most influential hit, later being recognized as the quintessential rag. Joplin considered ragtime to be a form of classical music meant to be played in concert halls and largely disdained the performance of ragtime as honky tonk music most common in saloons. Wikipedia
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