Man Ray was a pioneer of cameraless photography. His signature technique was the "Rayograph" created by placing objects directly onto light-sensitive paper often manipulating them during exposure. Of course, that was not his only trick. Man Ray experimented with solarisation and in his piece Ingres's Violin, he painted on a photograph, then took another picture of the manipulated image.

For this episode, my guests were Mark Small and Jack Shoulder, the writers of a new book Museum Bums: A Cheeky Loot at Butts in Art. They are also behind the wildly popular Museum Bums Instagram account.

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Check out my other podcasts Art Smart | Rainbow Puppy Science Lab

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