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.
On June 6, 1436, German mathematician, astronomer, astrologer, translator, instrument maker and Catholic bishop Johannes Müller aus Königsberg was born, better known under the Latinized version of his name as Regiomontanus. His diligent and accurate observations, measurements and recordings paved the way for modern astronomers such as Tycho Brahe and Nikolaus Copernicus.
J. Llorca, and M. Delgado-Rodríguez. Medical science monitor : international medical journal of experimental and clinical research, 8 (10):
MT193-7(October 2002)3579<m:linebreak></m:linebreak>Risc atribuïble.