1922 Encyclopædia Britannica/Hann, Julius von
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Hann, Julius von
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HANN, JULIUS VON (1839-1921), Austrian meteorologist, was born at Linz, Upper Austria, March 23 1839, and was educated at the Gymnasium of Kremünster and afterwards at Vienna. From 1865 to 1868 he was master at the Oberrealschule at Linz, and in 1865 was appointed editor of the Zeitschrift für Meteorologie. In 1877 he became director of the Meteorologische Zentralanstalt and professor of meteorology at the university of Vienna. In 1897 he was appointed professor at Graz, but in 1900 returned to Vienna as professor of cosmical physics. His meteorological researches were of the greatest value and importance (see 18.266, 286). His published works include Allgemeine Erdkunde (with F. von Hochstetter and A. Pokorny, 1872; 5th ed. 1896); Handbuch der Klimatologie (1883; latest ed. 1908); and Lehrbuch der Meteorologie (1901; latest ed. 1914), besides numerous meteorological papers contributed to the Sitzungsberichte der Kaiserlichen Akademie der Wissenschaften in Vienna. Dr. Hann was in 1912 made a foreign knight of the Prussian Ordre Pour le Mérite. He celebrated the jubilee of his doctorate in 1918, and died at Vienna Oct. 1 1921.