The first lady of impressionism

I BEG you to mention this trip to ...

• In March, Marthe Armitage will be 96 ...

Exhibition of the week Tracey Emin: A Second ...

So Vincent van Gogh wrote to his brother Theo in October 1876, charting the latest instalment of the Holbein cult. He was renting a room in Isleworth, west London, still hoping for a religious career

There’s no shortage of great picks at this year’s TEFAF Maastricht, the Netherlands, including a Barbara Hepworth sculpture, a pastel portrait by Dora Maar and two sections of 4th-century Roman mosaics

John Piper was a modernist who rejected Modernism, a versatile artist who defied categories, but one who remained true to the spirit and detail of the places he painted