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PHG.S.01 (2012/2020) numbered and signed on the back "Since 2012, the photographer Thomas Ruff has dedicated one of his series of abstract works to the technique and aesthetics of the photogram. The exposure method, which originates from analogue photography, is known above all from modern abstract black-and-white assemblages such as those by László Moholy-Nagy. Ruff transferred This cameraless technology is now brought into the 21st century by creating a 'virtual' darkroom and using a 3D program to push together a wide variety of objects such as rods, lenses and paper to form countless virtual constellations.This composition can in turn be illuminated in color in digital space. What we see is a colorful play of shadows made up of refracting light and object outlines.Ruff thus appropriates traditional photographic techniques and aesthetics while at the same time deconstructing them, defining his own rules through the use of the latest computer graphics and transforming the pictorial possibilities through new parameters expanded many times." quoted from texts on art