Britannica Educational Publishing 
Black American Biographies [PDF ebook] 

From the abolitionists and civil rights leaders who struggled to secure basic freedoms to the scientists, entertainers, and public servants who have nurtured innovation in their respective fields, African Americans have broken critical barriers for every American. This volume profiles many of those individuals-from Frederick Douglass to Oprah Winfrey to Barack Obama-whose efforts and ideas continue to enrich the foundations of the nation.