The original print measures 14 in × 111⁄4 in (35. 6 cm × 28. 6 cm).

2015 the m. c.

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The print was the result of a remarkable exchange of ideas between the graphic artist and the british mathematician roger penrose.

Ascending and descending is a lithograph print by the dutch artist m.

Escher first printed in march 1960.

— an impossible figure in which a stairway in the shape of a square appears to circulate indefinitely while still possessing normal steps (penrose and penrose 1958).

The lithograph ascending and descending.

Ascending and descending is one of escher's most recognizable pieces and another example from his 'impossible constructions' series.

— escher was known for executing his prints to a very high level, such as scaffold ascending and descending (1960).

— the perceptual result is an ascending staircase from a given perspective and a descending staircase from a different perspective.

Shortly afterwards, in 1960, escher produced his lithograph print ascending and descending, which contained such a staircase.

The escherian staircase paradox baltimore s ascending and descending enigma.

On 18 march 1960 escher finished one of his most iconic works:

Forty 2003, plate 68).

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— ascending and descending.

The dutch artist m.

Penrose and penrose cited escher's work as part of their inspiration for creating the staircase, and sent a copy of their paper to escher.