Ruthven Campbell Todd (14 June 1914 –1978) was a Scottish poet and novelist, known also as an editor of William Blake, and as an artist.

He was born in Edinburgh, and educated at Fettes College and Edinburgh School of Art . After a short spell in the office of his father, an architect. he worked as an agricultural labourer on Mull. for two years. He then started a career in copy-writing and journalism, while writing poetry and novels, based in Edinburgh, London, and Dunmow in Essex. He was involved with the surrealists at the time of the 1936 International Surrealist Exhibition .

During World War II he was a conscientious objector. He moved to the USA in 1947. There he had a position at the University of New York, and ran a small press, the Weekend Press, during the 1950s.

He settled in Majorca in 1958, where he died.

He wrote also under the pseudonym R. T. Campbell; he contributed to children's literature with the Space Cats series.

Works

• Poems (1938)
• The Laughing Mulatto (1939)
• Over the Mountain (1939)
• Poets of Tomorrow (1939)
• Ten Poems (1940)
• Until Now (1942) Fortune Press, poems
• Life of William Blake by Alexander Gilchrist (1942) editor
• Poems for a Penny (1942)
• The Acreage of the Heart (1943) poems
• The Lost Traveller (1943)
• The Planet in my Hand (1944, Grey Walls Press) poems
• Tracks in the Snow (Grey Walls Press) (1946) criticism of William Blake, Fuseli and John Martin
• Unholy Dying (1945) as R. T. Campbell
• First Animal Book (1946) Bewick engravings
• Take thee a Sharp Knife (1946) as R. T. Campbell
• Adventure with a Goat (1946) as R. T. Campbell
• Bodies in a Bookshop (1946) as R. T. Campbell
• Death for Madame (1946) as R. T. Campbell
• The Death Cup (1946) as R. T. Campbell
• Swing Low Sweet Death (1946) as R. T. Campbell
• William Blake: America, a prophecy (1947) editor
• William Blake: Poems (1947) editor
• Richard and Samuel Redgrave: A Century of British Painters (1947) editor
• Christopher Smart: A Song to David (1947) editor
• In Other Worlds (1951)
• Love Poems for the New Year (1951)
• Loser's Choice (1953) as R. T. Campbell
• Indian Spring (1954)
• A Mantelpiece of Shells (1954)
• Indian Pipe (1955)
• Selected Poems of William Blake (1960) editor
• Funeral of a Child (1962)
• Garland for the Winter Solstice (1961) selected poems
• The Geography of Faces (1964)
• Blake's Dante Plates (1968) editor
• John Berryman 1914-1972 (1972) broadsheet
• Lament of the Cats of Rapallo (1973)
• McGonagall Remembers Fitzrovia in the 1930s (1973)