The author known for significant works on the plight of African Americans is Ralph Ellison. His novel "Invisible Man," published in 1952, explores themes of identity, racism, and alienation. It delves into the experiences of a nameless African American protagonist and sheds light on the complexities of race relations in America. Ellison's writings, infused with profound cultural insights, critique systemic racism while emphasizing the struggle for personal and societal recognition. His contributions have made a lasting impact on both literature and the broader discourse surrounding the African American experience.