Ralph Waldo Ellison is an American author, literary critic, and educator. Some synonyms for his name could include "R.W. Ellison," "Ellison," "Ralph Ellison," or simply "Waldo," referencing his middle name. He is perhaps best known for his novel "Invisible Man," which deals with themes of racism and identity in 20th century America. Ellison was also a prominent figure in the Harlem Renaissance, a cultural movement centered in Harlem, New York City during the 1920s and 1930s. Throughout his career, Ellison received many accolades for his literary contributions, including the National Book Award for "Invisible Man" in 1953.