The author of the novel 'The Invisible Man' is Ralph Ellison, a renowned African-American writer and scholar. He was born in Oklahoma City in 1914 and died in 1994. He is best known for his 1952 novel, which tells the story of a black man's search for identity in a racist society. Ellison's other works include the essay collections Shadow and Act (1964) and Going to the Territory (1986). He was awarded the National Book Award for Fiction in 1953 for The Invisible Man.