Frederick Wiseman talks to Fatema Ahmed about his new film, National Gallery
Portraits of scientific figures such as Isaac Newton and John Harrison reveal their shifting cultural status
The display of erotic art from other traditions, be they Greco-Roman or Japanese, should make us think about what it meant to its original audiences
Early modern visitors to Moscow often brought silver to the tsar – which is why the Kremlin Armoury Museum holds a remarkable collection of pre-Restoration English silver
