Scott Joplin was an African American composer and pianist in the late 19th/early 20th century who is considered the most prominent figure in developing the musical genre of ragtime. Despite facing racism and lack of recognition in his lifetime, Joplin composed over 50 rags as well as an opera called Treemonisha, though it failed to be published or performed during his life. While ragtime diminished in popularity after Joplin's death, he has since been recognized as an important early African American composer who helped develop ragtime into a serious musical art form.