Move by Washington, DC museums comes amid a wave of new US closures

Experts predict bigger galleries, a stronger connection to the outdoors and an end to the expansion juggernaut

The victory for the organising staff comes two days after the museum announced a round of layoffs

Loss of jobs comes amid plunge in revenue from coronavirus shutdown

Arte Povera sculptor hopes that his donations of hundreds of works on paper will start a dialogue

Employees call on the museum to take a position of neutrality in any union vote

Entreating management to recognise the union voluntarily, employees emphasise goals of equity, diversity and inclusion

Departure follows New York Times article describing objectionable behaviour with female employees

He seeks $200m in damages from lawyer who he says "hoodwinked" him

Two years of investigation preceded the Philadelphia Museum of Art’s exhibition of highlights from the Johnson Collection