Hockney

When so much contemporary art is riven with obscurity and angst, it is disorientating, at first, to encounter something as straightforwardly enjoyable as Hockney’s latest exhibition. Aged 88, the artist went out into his garden in Normandy with his iPad to make a visual diary of the year 2020. A hundred or so of the iPad sketches he made have been put together here, blended into a frieze, a walk-through panorama of the seasons rendered with Vivaldi-like virtuosity. As we move along the curve of this frieze, we see nature through Hockney’s bright yellow spectacles As we move along the curve of this 90-metre frieze, we see nature through Hockney’s

The lunatics were once in charge of the asylum. The first six directors of the National Gallery were all artists: before art history became an academic discipline, artists were the leading authorities on art. Founded more as a teaching resource than a visitor attraction, until the mid-1940s the gallery was reserved for artists two days a week, when other visitors had to pay for entry. This stopped them getting in the way of artists copying from the masters, an essential part of an art education in the days before cheap colour reproduction. There’s something of the altarpiece in this image of an artist’s progenitors flanking a touchstone for his art

‘Photography has arrived at a point where it is capable of liberating painting from all literature, from the anecdote, and even from the subject. So shouldn’t painters profit from their newly acquired liberty, and make use of it to do other things?’ argued Picasso. The inventor of cubism took advantage of his liberty in ‘Buste de Femme’ (1938) to turn Dora Maar into a precursor of Peppa Pig, flaring her nostrils to form a snout. Perhaps he wanted to teach a photographer a lesson about paint by rubbing her nose in it. Picasso didn’t abandon the subject or the anecdote. He was one of the first modern artists to turn