W.E.B. Du Bois was a prominent African American civil rights activist, sociologist, historian, and author. He was one of the founders of the National Association for the Advancement of Colored People (NAACP) and a leading voice in the early 20th-century civil rights movement. Du Bois was known for his scholarship on the African American experience, particularly regarding race relations, civil rights, and the social, economic, and political issues facing African Americans.

Du Bois was a prolific writer and his most famous work is "The Souls of Black Folk," published in 1903, where he discussed the concept of "double consciousness" and the struggle of African Americans to reconcile their African heritage with their American identity. He also advocated for full civil rights and equality for African Americans, and was a strong critic of segregation and racial discrimination. Du Bois was one of the leading intellectuals of his time and his work continues to be influential in the study of African American history and sociology.