Frederick Douglass was a prominent figure leading the abolition of slavery in the United States. An escaped slave, Douglass became a powerful orator, writer, and activist advocating for African American rights and equality. His autobiography, "Narrative of the Life of Frederick Douglass, an American Slave," outlined the brutal realities of slavery and garnered national attention. Douglass was also a key figure in the women's suffrage movement and played a crucial role in the Underground Railroad. His advocacy helped shift public opinion and was instrumental in the eventual passage of the Thirteenth Amendment, which abolished slavery in 1865.