René Magritte, “Forethought” (1943), oil on canvas, Koons Collection (© Charly Herscovici, Brussels / Artists Rights Society (ARS), New York, all images courtesy San Francisco Museum of Modern Art) In ...

It wasn't until I'd seen Magritte's work collected together in an exhibition at the Tate, at the end of the 1960s I think, that I realised just how incredibly funny his stuff was. People walk around ...

Magritte labels a bag as the sky, a pocket knife as a bird, and a leaf as a table. Only the sponge-like object could resemble ‘l’eponge’ (a sponge), albeit a very strange one. In his three years spent ...