Johannes Teiler of Teyler (christened Nijmegen, May 23, 1648 - ca. 1709) was a Dutch fortress architect, etcher, engraver, printer and professor.
Teiler was the son of a British hired Taylor who had settled in Nijmegen. He benefited Cafe de Hert on the Grote Markt and in 1647 got Dutch citizenship.
Teacher passed in Nijmegen the Latin School and studied at the Quarterly Academy where he graduated in 1668 with Theodorus Craanen on the dissertation De anima philosophiae, sive rectae rationis ab errore discernendi ratione. With this he comes into the camp that is the teaching of René Descartes. He also studied in Leiden, but returned to Nijmegen in 1670, where he followed Craanen as professor of philosophy and mathematics.
In 1676 he became a fortress engineer for the keynote of Brandenburg for the siege of the island of Rügen and Stettin, in 1678. He also became a private lecturer for his two sons. From 1679 he traveled through the Mediterranean region and was a member of the Dutch painters' association of the Bentvueghels in Rome.
After that, Teiler settled in Rijkswijk in 1683. He issued the Architectura militaris in 1688, setting out his knowledge of fortifications and the construction, defense and conquest of this. He also advised twice at the conquest of Namur, in 1693 the keurvorst of Prussia and in 1695 for the town of Willem III.
In 1688, he obtained a patent on a color printing process by realizing color printing with a single engraving. Because he could only print lines, his etching had to be hand-painted. This method followed in England. Jan van Call and Mattheus Berckenboom also used this technique. He had his own print shop in Rijswijk around 1695 and bundled himself his etching and engravings. He also worked on painting, architecture, geometry and perspectives.
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