Lo-fi sci-fi, hollow metal people and Churchill’s big guns – the week in art

First major retrospective for the wartime PM’s paintings, shadows of Berlin Dada, hopeful science and the outrageous art of Valie Export – all in your weekly dispatch Winston Churchill: The Painter Britain’s eloquent war leader kept himself sane by puffing on cigars, swilling brandy – and painting the world around him. • The Wallace Collection, London , from 23 May to 29 November Continue reading...