Exhibition of the week James McNeill Whistler The brilliant American who took Victorian Britain by storm and brought avant garde ideas from Paris and Japan gets a stonking big show, Mother included. Tate Britain, London, from 21 May until 27 September Also showing Gender Stories The concept of gender explored through art by David Hockney, Grayson Perry, Rene Matić and more. Walker Art Gallery, Liverpool, from 16 May until 31 August Delcy Morelos Spectacular earthy sculpture set against the rugged architecture of London’s Barbican … should be brutal! Sculpture Court, Barbican Centre, London, until 31 July Henry Moore Moore’s abstract yet absolutely unthreatening sculptures have been spaced through the green and glorious vistas of Kew, if you like that sort of thing. Kew Gardens, London, until 31 January 2027 Nomenclature for the Time Being A group exhibition about … well, the title is self-explanatory, surely. With artists including Hannah Black, Atiéna R Kilfa and Zanele Muholi.…