Pinball wizard: a closer look at the art of Wayne Thiebaud

‘A snapshot of the 20th century, encompassing all the great movements of the time’ Over a period of 50 years, Morton and Barbara Mandel assembled a collection of paintings and works on paper notable for charting developments in abstraction	Studio visit: Sarah Sze As her triptych, Surprise Ending, is offered to benefit the charity Hopeland, the artist explains how her work engages with a digitally overloaded world
‘When possibilities for a new world were endless’: The New School of Paris The emergence of lyrical abstraction in postwar France, iIllustrated with key works by Georges Mathieu, Zao Wou-Ki and Chu Teh-Chun