The author of 'The Red Badge of Courage' is Stephen CRANE. He was an American novelist, poet, and short story writer who wrote during the late 19th century. He is best known for his novel 'The Red Badge of Courage', which was published in 1895 and is considered to be one of the most influential works of American literature. His other works include 'Maggie: A Girl of the Streets' and 'The Open Boat'. He died at the age of 28 in 1900.