poet, playwright, and critic who helped establish an Australian national tradition through mythical re-creation of the past in his plays.

Stewart studied at Victoria University College but left to take up journalism. He later traveled to London to find work in journalism, but without success. Returning to Australia in 1938, he was editor of the “Red Page” literary section in The Bulletin, Sydney's influential newspaper, from 1940 to 1961. Thereafter he worked as a literary adviser to Angus and Robertson publishers of Sydney.

Stewart's greatest successes as a playwright were in radio rather than stage plays. The Fire on the Snow, broadcast in 1941, described the British explorer Robert Falcon Scott's expedition to Antarctica in 1912. This was followed by The Golden Lover (1944; published with The Fire on the Snow), the retelling of a Maori legend. Three historical dramas for the stage were Ned Kelly (1943), Shipwreck (1947), and Fisher's Ghost (1960).

Stewart's Collected Poems, 1936–1967 appeared in 1967, and Poems: A Selection in 1972. A Girl with Red Hair and Other Stories was published in 1944. His critical works include The Flesh and the Spirit: An Outlook on Literature (1948) and The Broad Stream: Aspects of Australian Literature (1975).