Friedrich Krankenhagen

Friedrich Krankenhagen as a student in Göttingen in the summer semester of 1873

Friedrich Krankenhagen (* 1850 in Sangerhausen ; † March 3, 1928 in Stettin ) was a German high school teacher , mathematician, philologist and school director in Stettin.

Live and act

Krankenhagen was born in 1850 as the son of a leather merchant in the Prussian district town of Sangerhausen. After passing high school he went to study mathematics and natural sciences at the University of Leipzig and later to Göttingen at the Georg-August University . There he joined the Holzminda association in 1873 . He passed his exam on August 8, 1874, received his doctorate in the same year and went to the secondary school in Malchin , where he only stayed a few years. After he got married there, he accepted a position as senior teacher at the Schillergymnasium in Stettin on April 1, 1880 , where he was appointed school director on October 1, 1913. At the age of 70 he retired in 1920, meanwhile appointed professor and privy councilor.

Friedrich Krankenhagen was at the head of the Pomeranian and Stettiner Philologists 'Association for several years , was a member of the Prussian Philologists' Association and an honorary member of the Pomeranian Philology.

Publications

About the integration of the partial differential equations of the first order. Dissertation University of Göttingen 1874.
About the transformation of two systems of ordinary differential equations. Malchin 1880.
Contribution to the study of barometric minima and maxima. Szczecin 1885.
Chrono-isotherms for Szczecin. A representation of the daily and annual changes in temperature through a single curve system using 50-year observations. Szczecin 1891.
Catalog of the teacher library of the Schiller-Realgymnasium in Stettin. Szczecin 1894.

literature

B. Lundius (Ed.): Alte-Herren-Zeitung of the fraternity Holzminda Göttingen, Pinneberg. 30. Jg. 1928, pp. 28-29, 31-32.
Franz Kössler: Personal dictionary of teachers of the 19th century. Career biographies from school annual reports and school programs 1825–1918 , Volume: Kaak - Kysaeus, Preprint Giessen Status: December 18, 2007 (PDF; 9.4 MB) page 440.

Individual evidence

^ ^A ^b Wilhelm Ebel : The register of the Georg-August-Universität zu Göttingen 1837–1900. Hildesheim 1974. (No. 54038, matriculated on April 19, 1873)

Web links

Dissertation in the Mathematics Genealogy Project

personal data
SURNAME	Krankenhagen, Friedrich
ALTERNATIVE NAMES	Krankenhagen, Fritz
BRIEF DESCRIPTION	German high school teacher and school director
DATE OF BIRTH	1850
PLACE OF BIRTH	Sangerhausen
DATE OF DEATH	March 3, 1928
Place of death	Szczecin

[ebel-1] A ^b Wilhelm Ebel : The register of the Georg-August-Universität zu Göttingen 1837–1900. Hildesheim 1974. (No. 54038, matriculated on April 19, 1873)