"Selma Burke's commissioned sculpture of President Roosevelt is on every American dime!" Dorothy Brangman Selma Burke African American sculptor and educator who founded two art schools. In 1940 she opened the Selma Burke School of Sculpture
Jack Daniels (the company) confirmed that this is more than likely. Unfortunately, there is little to no documentation on the major impact slaves had on the American whiskey/ distillation industry. See an article about this in the New York Times.