Who wrote the book “The Invisible Man”?

NCERT (2025-26): “5.4 The Struggles of the Disabled … One of the leading activists and scholars of disability in the Indian context, Anita Ghai, argues that this invisibility of the disabled can be compared to the Invisible Man of Ralph Ellison. Ellison’s novel of that name is a famous indictment of racism against African Americans in the USA.…”