Adam Wilhelm Siegmund Günther ( Adam Wilhelm Siegmund Günther) ; February 6, 1848 , Nuremberg - February 4, 1923 , Munich - German mathematician , geophysicist and historian of mathematics . The works relate to linear algebra , hyperbolic functions , trigonometry , geophysics, meteorology , volcanology .
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Member of the German Society of Naturalists "Leopoldina" (1877) and the Bavarian Academy of Sciences . Introduced (1882) common sign {\ displaystyle \ approx} for approximate equality [4] .
for approximate equality Content
Biography and Research
Born in the family of a Bavarian merchant. From 1865, he attended lectures at five universities in Germany ( University of Erlangen, University of Heidelberg, University of Leipzig, University of Berlin, University of Göttingen ). In 1870 he took part in the Franco-Prussian war as a volunteer.
In 1872 he graduated, taught at the school for some time, then (1873) defended his thesis and was accepted as a teacher at the Munich Polytechnic . In 1876 he moved to Ansbach , where he taught mathematics and physics, a few years later returned to Munich, where he was a professor of geography until his retirement in 1920. As a teacher earned the highest marks.
From 1878 to 1884 he was a member of the Reichstag from the liberal German progressive party .
Major Works
- Vermischte Untersuchungen zur Geschichte der mathematisischen Wissenschaften (1876)
- Grundlehren der mathematisis Geographie u. Astronomie (2 ed. 1886)
- Studien zur Geschichte der mathematisis u. physikalischen Geographie (1877–79)
- Geschichte des mathematics Unterrichts im deutschen Mittelalter (in 3 volumes): Monumenta Germaniae paedagogica (1877)
- Die Meteorologie, ihrem neuesten Standpunkt gemäss dargestellt (1889)
Notes
- 2 1 2 3 German National Library , Berlin State Library , Bavarian State Library , etc. Record # 118719181 // General Regulatory Control (GND) - 2012—2016.
- ↑ 1 2 BNF ID : 2011 open data platform .
- ↑ 1 2 Archive for the History of Mathematics McTutor
- ↑ Aleksandrova N.V. The History of Mathematical Terms, Concepts, Notation: A Dictionary-Reference. - 3rd ed. - SPb. : LCI, 2008. - pp. 150-151. - 248 s. - ISBN 978-5-382-00839-4 .
Literature
- Gunther, Zigmund // Brockhaus and Efron Encyclopedic Dictionary : 86 tons (82 tons and 4 extras). - SPb. , 1890-1907.
- Gunter Adam Wilhelm Siegmund. // Mathematical encyclopedic dictionary. M., "Soviet Encyclopedia", 1988. Pp. 687.
Links
- John J. O'Connor and Edmund F. Robertson . Gunther, Zigmund (English) - biography in the MacTutor archive.