On June 17, 1898, Dutch graphic artist Maurits Cornelis Escher, better known as M. C. Escher, was born. He is known for his often mathematically inspired woodcuts, lithographs, and mezzotints, which feature impossible constructions, explorations of infinity, architecture, and tessellations.
D. Martin, M. Paolucci, and M. Wagner. Proceedings of the 6th International Semantic Web Conference and 2nd Asian Semantic Web Conference (ISWC/ASWC2007), Busan, South Korea, volume 4825 of LNCS, page 337--350. Berlin, Heidelberg, Springer Verlag, (November 2007)