The Dülmen was found near the town of Dülmen, in the Merfelder Bruch area where ponies have been documented since the early 14th century.
Hartmut Surmann (born 1963 in Dülmen, Germany) is a Roboticist, Professor for Autonomous Systems at Applied University of Gelsenkirchen and Researcher at the Fraunhofer Institut Intelligente Analyse- und Informationssystem (IAIS).
Born as Isaak Leeser in Neuenkirchen/Rheine, Westphalia, Isaac Leeser received his education at the primary school of nearby Dülmen and thereupon at a gymnasium in Münster.