A major figure in the Arte Povera movement, the Italian artist Mario Merz’s work combines a fascination with the material and metaphorical qualities of natural objects with ideas regarding infinity and repetition. Much of his work was based around the Fibonacci sequence, a formula often used to express mathematical sequences in nature. (© Tate, London 2016) Che Fare?, 1968-73, AR00598 [RB]Lingotto, 1968, AR00608 [RB] [RB | Ruth Burgon] This article was published on 2025-01-21