1911 Encyclopædia Britannica/Noeggerath, Johann Jacob

NOEGGERATH, JOHANN JACOB (1788–1877), German mineralogist and geologist, was born at Bonn on the 10th of October 1788. In 1814–1815 he became commissioner of mines for some of the Rhine Provinces, and in 1818 professor of mineralogy and afterwards professor of. geology, director of the Museum of Natural History and chief of the mining department in the university at Bonn. He obtained a very fine collection of minerals for the museum, was eminently successful as a teacher, and achieved a wide reputation among mining engineers. The following are his more important publications: Uber aufrecht im Gebirgsgestein eingeschlossene fossile Baumstämme und andere Vegetabilien (1819–1821); Das Gebirge in Rheinland-Westphalen, nach mineralogischem und chemischem Bezuge (4 vols., 1822–1826); Die Entstehung der Erde (1843); and Der Laacher See und seine vulkanischen Umgebungen (1870). The Carboniferous plant Noeggerathia, allied to the Zamias and Cycads, was named after him. He died at Bonn on the 13th of September 1877.