Johannes Walther (July 20, 1860 in Neustadt an der Orla
– May 4, 1937 in Bad Hofgastein
, Germany) was a German geologist who discovered important principles of stratigraphy
, including Walther's Law
[Norbert Hauschke, Silvia Isaac, Lars Schimpf, Martin Seiffert, Wolfgang Gossel (2010). ''Johannes Walther (1860 - 1937) zwischen Riff und Wüste - Spurensicherung in 3 D anlässlich seines 150.'' (''John Walther (1860 - 1937) between the reef and the desert - in 3D crime scene on the occasion of his 150th Birthday''). Halle (Saale). October 2010. ]
Early life and work
Walther came from a religious home and studied botany
, and philosophy
at the University of Jena
. In 1882 he successfully completed this course with a doctorate. Then he studied geology
and later Munich
The following year he worked at the Stazione Zoologica
as a lecturer, staying for two years. Among other things, he ran extensive sedimentological and biological studies.
In 1885 he returned to Jena and habilitated
there in 1886 with a thesis on crinoid
s. After travelling, he was appointed as a professor at Jena in 1890.
Walther moved to the University of Halle
in 1906, staying until 1929. Whilst there, he was in 1924 elected president of the prestigious German Academy of Sciences Leopoldina
, an office he held until 1931.
* ''The Law of Desertification in the Present and the Past'' (''Das Gesetz der Wüstenbildung in Gegenwart und Vorzeit''), 2007 reprint
* ''Modern Lithogenesis'', 1883–84
* ''Introduction to geology as a historical science'' (''Einleitung in die Geologie als historische Wissenschaft''), 1893–94
* ''History of the Earth and Life'', (''Geschichte der Erde und des Lebens''), 1908
* ''General Palaeontology'' (''Allgemeine Paläontologie''), 1919–1927Allgemeine Paläontologie
(''General Palaeontology''), Volumes 1–3, Borntraeger, 548 pages.
Category:People from Neustadt an der Orla
Category:People from Saxe-Weimar-Eisenach