Christmas market, which opens its doors in the week before the first Advent, brings the great annual festivities of Jever to a close. Personalities Sons and daughters of the city of Jever Maria of Jever (1500-1575), Regent of the Reign of Jever Friedrich Christoph Schlosser (1776-1861), historian Joseph Mendelssohn (1817-1856), author and publicist Wiebke Eden (b. 1968), author Personalities associated with Jever Karl Jaspers, psychiatrist and philosopher. His great-grandfather was Maire in Jever. The paternal grandparents lived in Jever. Karl Jaspers was often a guest. Eilhard Mitscherlich, born in Neuende, a major German chemist and mineralogist Johann Heinrich von Thünen, German agricultural and economist, social reformer and model landlord Ten-mark banknote In 1825 Carl Friedrich Gauss stayed temporarily in Jever, for surveying work. The 10 Deutsche Mark note in the Fourth Series ("BBk III"; 1948–1990) showed a sextant on the back, as well as a sketch of the triangulation of Wangerooge and Neuwerk, with Jever as the triangulation station. References External links Friesland (district) Grand Duchy of Oldenburg Holocaust locations in Germany