Henry Ossawa Tanner
Henry Ossawa Tanner was an African American realist artist who often painted human subjects. This painting is called The Banjo Lesson.
http://www.artchive.com/artchive/T/tanner.html
Archibald MotleyArchibald Motley created many paintings of mixed race people and African Americans. His paintings are so full of life and show people from all different backgrounds coexisting. This is entitled Blues.
http://20thcenturyart.suite101.com/article.cfm/archibald_motley