Dr. Sullivan and Dr. Patrick have completed the first compendium of African Americans depicted on U.S. Postage stamp from 1940 to 2015. ( Dr. Sullivan started collecting stamps as a child, which encouraged him to become an educator. He was inspired by the work of Booker T, Washington, George Washington Carver, and W. E . B. Du Bois.) The extraordinary and innumerable achievements of African Americans have shaped the story of America by the roles they have played and continue to bestow in the development of this country and the world. Their achievements have enriched all aspects of American...