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Friedrich Hopfner (28 October 1881 – 5 September 1949) was an Austrian geodesist, geophysicist and planetary scientist. As an officer of the Austro-Hungarian Empire he began his scientific work at the Bureau of Meteorology. In 1921 he became Chief Astronomer at the new Geodetic Survey of Austria (Federal Office for Metrology and Survey or ''Bundesamt für Eich- und Vermessungswesen''). From 1936 to 1942 and from 1945 to 1949 he was a Professor at the Vienna University of Technology (TU Wien) and over the 1948-9 term he was the university's rector. == Life == He was born on 28 October 1881 in Trautenau, northern Bohemia (now Trutnov, Czech Republic). He studied mathematics, physics, geophysics and astronomy at the University of Prague and the University of Munich between 1899 and 1904. In 1905 at the Charles University in Prague he delivered his dissertation on "The average and relative distribution of temperature on the Earth's surface." His first job was as an assistant at the Prague Observatory, and then at the Bureaux of Meteorology in Berlin, Innsbruck and Vienna. In 1908 he transferred to the Maritime Observatory in Trieste (now the ''Istituto Talassografico di Trieste'' or ITT), then in 1912 to the Bureau of Geodesy (''Gradmessungsbüro'') in Vienna. During World War I he was head of the meteorological service for the Isonzo army of Austria-Hungary. In 1921 he became Chief Astronomer at the new Geodetic Survey of Austria ("Bureau of Weights, Measures and Surveying" or ''Bundesamt für Eich- und Vermessungswesen''). In 1936 he was appointed Professor of Theoretical Geodesy and Spherical astronomy at the Vienna University of Technology, as successor to Richard Schumann. In autumn 1942 he declined Hitler's invitation into his newly created Academy of Sciences (''Akademie der Wissenschaften'') in Prague, and was forced into retirement, moving with his family to Schönbühel on the Danube, where he devoted himself exclusively to research. After the war he was restored to his position in Vienna, and was later elected Dean of the Faculty of Applied Maths and Physics. His pleasant friendliness made him popular with colleagues and students, and in the 1948-9 term he was voted ''Rector magnificus'' at the Technical High School of Vienna. In the last month of his incumbency, he drowned in a boating accident on the Hintersteiner See, near Kufstein. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Friedrich Hopfner」の詳細全文を読む スポンサード リンク
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