Paul Laurence Dunbar was an influential African American poet, novelist, and playwright who gained prominence in the late 19th and early 20th centuries. He is best known for his use of dialect in his poetry, which captured the voices and experiences of African Americans, while also addressing broader themes of race, identity, and social justice. Dunbar's work laid the groundwork for future generations of African American writers and is a significant part of the cultural landscape of African American literature and arts.