African American author, educator, and political activist W. E. B. Du Bois. (Photo credit: Wikipedia)

Left: Niagara Movement leaders W.E.B. Du Bois (seated), and (left to right) J.R. Clifford, L.M. Hershaw, and F.H.M. Murray at Harpers Ferry. (Photo credit: Wikipedia)

W. E. B. Du Bois (1868 – 1963), co-founder of the National Association for the Advancement of Colored People (NAACP), in 1918. Deutsch: Der Soziologe William Edward Burghardt Du Bois (1868–1963), Mitbegründer der afroamerikanischen Bürgerrechtsorganisation National Association for the Advancement of Colored People (NAACP), aufgenommen 1918 von C.M. Battey (1873–1927). (Photo credit: Wikipedia)