X, A Quarterly Review, often referred to as X magazine, was a British review of literature and the arts published in London which ran for seven issues between 1959 and 1962. It was co-founded and co-edited by Patrick Swift and David Wright.

George Granville Barker was an English poet, identified with the New Apocalyptics movement, which reacted against 1930s realism with mythical and surrealistic themes. His long liaison with Elizabeth Smart was the subject of her cult-novel By Grand Central Station I Sat Down and Wept.