The otherworldly artist who made his name at The Spectator

There is something otherworldly about Rory McEwen’s paintings of plants, leaves and fruit. They are indisputably beautiful, often breathtakingly so, but they are almost eerie in their self-possession. They are like planets vibrating to the music of the spheres – quivering with arrested energy. These images are super-real (rather than surreal) but they sometimes have a surreal edge that can be disturbing.

Although best known for painting these botanical watercolours on vellum, Mc-Ewen (1932–82) was a man of many parts: an extraordinarily talented...