Robert Jaensch

Robert Jaensch (1839)

Ernst Robert Jaensch (also Jänsch ; born December 9, 1817 in Königsberg i. Pr. , † April 21, 1892 ibid) was a German math teacher in East Prussia.

Life

Jaensch attended the old town high school in Königsberg , from which he graduated from high school at Easter 1838. He enrolled as a stud. phil. at the Albertus University of Königsberg . In the Corpsland Team Baltia he was an excellent sub- senior , consenior and senior . With four other Balts he asked the Corpsland Team Masovia in 1840 to take over his (Catholic) league. After the exam and the probationary year, he came to the Herzog-Albrechts-Schule (Rastenburg) as a mathematics teacher . He was retired as a qualified high school professor in 1879 and died at the age of 75.

Works

• Some of the teaching of the harmonic division from the high school teacher Jänsch. Haberland, Rastenburg 1848. ( GVK )
• A Treatise on Rectification and Quadrature of the Spherical Ellipse [Part 1]. Haberland, Königsberg 1852. ( GVK )
• A Treatise on Rectification and Quadrature of the Spherical Ellipse [Part 2]. Haberland, Königsberg 1853. ( GVK )
• The more difficult problems of number theory in a systematic context worked on for the intended classification of this material in the teaching of the prima higher educational institutions. Schlemm, Rastenburg 1876. ( StaBiKat )

Web links

• Robert Jaensch's personnel form in the BIL's personal file in the archive database of the Library for Research on Educational History (BBF)

Individual evidence

1. ↑ No. 5 in the Albertina's memory book (1817–1844)
2. ^ List of all members of the Corps Masovia 1823 to 2005 . Potsdam 2006.
3. ^ Eduard Loch , Hans Lippold (1930), In: Rüdiger Döhler (ed.): Corps Masovia. The 175-year history of Königsberg's oldest and Potsdam's first corporation in the 21st century . Munich 2005, ISBN 3-00-016108-2 .
4. ↑ Kösener Corps lists 1910, 141/364.