American ragtime pianist, from St. Louis, Missouri, born 28 January 1940, died 22 February 2014. Trebor was a recognized authority on Scott Joplin and the ragtime era. He collected and published others' ragtime piano compositions and composed his own. He authored books about ragtime, and both on his own and as a member of The St. Louis Ragtimers, became a widely known ragtime pianist.