Tri-Seven Entertainment's Famous Black History People Poster Series 02 poster. The second of our series of educational posters of prominent African Americans and their short biographies. Famous Black History People Poster Series 02 features ten historical figures: Oscar Micheaux, Mary McLeod Bethune, Elijah McCoy, Madam C.J. Walker, Crispus Attucks, Jack Johnson, Marcus Garvey, Alexander Crummell, Martin Delany and Matthew Henson. The Famous Black History People Poster Series 02 poster measures 24x18 inches and makes a great teaching tool for educators. Individuals, educational institutions, history lovers and collectors will also appreciate this historical memento. Size: 24"x18". Delivery: Unframed. Comes in a mailing tube. Public Domain Images | One-of-a-kind; designed and manufactured exclusively by Tri-Seven Entertainment.