Roger Dean (1944 – ) is a British artist and designer renowned for his surreal and fantastical album cover art. His art style is characterised by its dreamlike landscapes, organic forms, and vibrant colour palettes, often depicting otherworldly scenes. Dean primarily uses watercolours, inks, and acrylics to create his detailed and imaginative compositions. His work is closely associated with the progressive rock movement, having designed iconic album covers for bands such as Yes and Asia, and significantly influencing the visual identity of the genre.