His early works earned him the reputation as a major novelist of the 20th century, and by his death he was widely regarded as one of the greatest living novelists. He was the first writer to win three National Book Awards in all award categories. His friend and protege Philip Roth has said of him, "The backbone of 20th-century American literature has been provided by two novelists—William Faulkner and Saul Bellow. Together they are the Melville, Hawthorne, and Twain of the 20th century." James Wood, in a eulogy of Bellow in "The New Republic", wrote: