Russian Artist Portrays Churchill In National Gallery Mosaic - Mr. Boris Anrep (left) photographed watching Alfred Fontanella of Russell Square at York polishing the the Defiance picture showing Mr. Winston Churchill. Nearly completed on the floor of the National Gallery in Trafalgar Square are a series of mosaic pictures, representing 15 abstract concepts, such as Defiance leisure, humour etc. They are by Russian-born artist, Boris Anrep, who has incorporated many famous figures in his works. I