M. C. Escher — Dutch Artist born on June 17, 1898, died on March 27, 1972

Maurits Cornelis Escher was a Dutch graphic artist who made mathematically inspired woodcuts, lithographs, and mezzotints... (wikipedia)

Only those who attempt the absurd will achieve the impossible. I think it's in my basement... let me go upstairs and check.
We adore chaos because we love to produce order.
My work is a game, a very serious game.
I don't use drugs, my dreams are frightening enough.
Are you really sure that a floor can't also be a ceiling?