Between a Constable resonating with Nature and a Castiglione blaring with turbulence, a picture by Algernon Newton captured the quietude of absolute stillness

Alexander Marshal–this country’s first major botanical painter–deserves to be better known, writes Tiffany Daneff, after seeing his luminous originals in the Royal Collection

My favourite painting

Still Life Flowers in a Jug at Charleston, ...

Exhibition of the week Turner & Constable: Rivals ...

Kerry James Marshall, ‘poised between narrative and allegory’