Frick Collection

Stanley Brouwn, 1 step – 100000 steps, published by Utrechtse Kring, Utrecht 1972, 27 x 21 cm

Stanley Brouwn has died, aged 81; a new triennial of contemporary art for Uptown Manhattan

Fifth Avenue façade of the Frick Collection, New York. Photograph: Michael Bodycomb. Courtesy: The Frick Collection

With Frieze Week underway, architect Annabelle Selldorf reveals her favourite spots across the city

Petition launched to save the New Art Gallery Walsall; Galerie Perrotin to open a Tokyo space