It was a mad idea to fly to Madrid from London for just one day. But this was a rare opportunity. A solo exhibition of the work of Isabel Quintanilla (1938–2017), a key figure in contemporary realism.

No longer on the Pier, after last year’s loss of its space and retreat to David Zwirmer’s Gallery on West 21 Street in New York’s Chelsea district, Volta 2020, which closed on Sunday, was a pleasure ...