 Science fiction author Isaac Asimov lived at Wyngate Hall (now called The Terrace), a garden apartment building at 50th and Spruce, from 1942–1945, and wrote several of the stories that comprise "I, Robot" and the Foundation series while living there.Singer, actor and activist Paul Robeson lived with his sister at 50th and Walnut from 1968 until his death in 1976.A mural at 45th and Chestnut commemorates Robeson.